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 inverse operations in the reverse order of operations used in the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation -15 = -4y + 5?

Back

Subtract 5 from both sides to isolate the term with the variable.

Tags

CCSS.7.EE.B.4A

Front

What is the solution for y in the equation -15 = -4y + 5?

Back

y = 5.

Tags

CCSS.7.EE.B.4A

Front

How do you solve the equation 2n + 10 = -2?

Back

Subtract 10 from both sides, then divide by 2.

Tags

CCSS.7.EE.B.4A

Front

What is the solution for n in the equation 2n + 10 = -2?

Back

n = -6.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 9 = 2s + 1?

Back

Subtract 1 from both sides to isolate the term with the variable.

Tags

CCSS.7.EE.B.4A

Front

What is the solution for s in the equation 9 = 2s + 1?

Back

s = 4.

Tags

CCSS.7.EE.B.4A

Front

How do you solve the equation 6z + 3 - 4z = 9?

Back

Combine like terms first, then isolate z.

Tags

CCSS.8.EE.C.7B

Front

What is the solution for z in the equation 6z + 3 - 4z = 9?

Back

z = 3.

Tags

CCSS.8.EE.C.7B