Two-Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Tags

CCSS.7.EE.B.4A

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in reverse order: first eliminate the constant term, then the coefficient of the variable.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 33 = 4a - 7?

Back

The first step is to add 7 to both sides of the equation to eliminate the constant term.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 6n + 4 = -26?

Back

The solution is n = -5.

Tags

CCSS.7.EE.B.4A

Front

How do you check if your solution to a two-step equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Tags

CCSS.6.EE.B.5

Front

What does it mean to perform the inverse operation?

Back

Performing the inverse operation means applying the opposite mathematical operation to undo the effect of the original operation.

Tags

CCSS.HSA.REI.A.1

Front

What is the solution to the equation 26 = 5a + 1?

Back

The solution is a = 5.

Tags

CCSS.7.EE.B.4A

Front

How do you handle negative coefficients in two-step equations?

Back

You can multiply or divide both sides of the equation by -1 to eliminate the negative coefficient.

Tags

CCSS.7.EE.B.4A

Front

What is the result of simplifying -4(-4d - 5)?

Back

The result is 16d + 20.

Tags

CCSS.6.EE.A.3

Front

What is the second step to solve the equation 33 = 4a - 7 after adding 7?

Back

The second step is to divide both sides by 4 to isolate a.

Tags

CCSS.7.EE.B.4A