Step by Step Two Step Equation

What would be the first step in solving the equation for 2x+7=15?

• Add 7 to both sides

• Subtract 7 from both sides

• Divide both sides by 2

• Multiply both sides by 2

• Add 6 to both sides

• Subtract 6 from both sides

• Multiply both sides by 3

• Divide both sides by 3

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

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5

Find the solution:
10 = 4x - 2

• x = 3

• x = 2

• x = -3

• x = -2

Solve the two step equation above.

(type your whole solution with the variable and the equal sign)

Mathematical Equivalence

ON

Solve the equation:
-5x = 25

• x = 20

• x = -20

• x = -5

• x = 5

Solve:

3(x - 2) = 18

• 6.7

• 4

• 8

• -4

• none of the above

4x + 7 = 23

• x = 16

• x = 4

• x = 9

• x = 12

What is the result of solving for the variable?

-2x = 6

• x = -12

• x = 3

• x = -3

• x = 12