Solving Equations Find the Error

The goal of solving a one, two, or multi-step equations is to:

• Find the constant

• Find the coefficient

• Find the value of the variable

• Guess and check

Find the error if one exists. Click on the image to enlarge it.

• There is a mistake in the RED step when the person multiplied everything by 4.

• There is a mistake in the GREEN step when the person combined like terms.

• There is a mistake in the BLUE step when the person chose to divide by -1 on both sides.

• There is no mistake.

Find the error. Click on the image to enlarge it.

• There is a mistake in the GREEN step when the person distributed 4 to both terms in parentheses.

• There is a mistake in the BLUE step when the person combined like terms on the right side of the equation.

• There is a mistake in the PINK step when the person subtracted 12z on both sides of the equations.

• There is a mistake in the PURPLE step when the person added 9 on both sides of the equation.

• There is a mistake in the BLACK step when the person divided by -10 on both sides.

Find the error. Click on the image to enlarge it.

• There is a mistake in the RED step when the person multiplied by 10 on both sides of the equation.

• There is a mistake in the BLUE step when the person used the distributive property.

• There is a mistake in the PURPLE step when the person subtracted 13x on both sides.

• There is a mistake in the GREEN step when the person subtracted 60 on both sides.

• There is a mistake in the BLACK step when the person divided by -28 on both sides.

Find the error if one exists. Click on the image to enlarge it.

• There is a mistake in the RED step when the person distributed.

• There is a mistake in the BLUE step when the person combined like terms on the right side of the equation.

• There is a mistake in the PURPLE step when the person subtracted 4x on both sides.

• There is a mistake in the GREEN step when the person said the final answer is All Real Numbers.

• There is no mistake.

Find the error if one exists. Click on the image to enlarge it.

• There is a mistake in the RED step when the person distributed.

• There is a mistake in the BLUE step when the person combined like terms on the both sides of the equation.

• There is a mistake in the PURPLE step when the person subtracted 3x on both sides.

• There is a mistake in the GREEN step when the person said the final answer is No Solution.

• There is no mistake.

Find the error if one exists. Click on the image to enlarge it.

• There is a mistake in the RED step when the person distributed.

• There is a mistake in the BLUE step when the person combined like terms on the both sides of the equation.

• There is a mistake in the PURPLE step when the person added 8x on both sides.

• There is a mistake in the GREEN step when the person subtracted 28 on both sides.

• There is no mistake.

Find the error if one exists. Click on the image to enlarge it.

• There is a mistake in the RED step when the person distributed 3 to both terms in parentheses.

• There is a mistake in the GREEN step when the person subtracted 5x on both sides of the equation.

• There is a mistake in the PINK step when the person added 18 on both sides.

• There is a mistake in the PURPLE step when the person divided by -2 on both sides.

• There is no mistake.

Solve the following equation,
x + 7 = 28

• x = 35

• x = 4

• x = 196

• x = 21

Solve the following equation,
3x + 6 = 21

• x = 9

• x = 5

• x = 15

• x = 27