Solving 2-Step Equations

Front

What is a 2-step equation?

Back

A 2-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 2-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order of how they are applied.

Tags

CCSS.7.EE.B.4A

Front

Solve: 7y - 4 = -11

Back

y = -1

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 4(2x + 3) = 28?

Back

Distribute the 4 to both terms inside the parentheses.

Tags

CCSS.7.EE.B.4A

Front

Solve: 4(2x + 3) = 28

Back

x = 2

Tags

CCSS.7.EE.B.4A

Front

What does it mean to 'distribute' in algebra?

Back

To distribute means to multiply a term by each term inside parentheses.

Tags

CCSS.7.EE.A.1

Front

Solve: 4(a + 3) = -32

Back

a = -11

Tags

CCSS.7.EE.B.4A

Front

What is the purpose of checking your solution in an equation?

Back

To verify that the solution satisfies the original equation.

Tags

CCSS.8.EE.C.7B

Front

Solve: 3x - 7 = 32

Back

x = 13

Tags

CCSS.7.EE.B.4A

Front

What is the inverse operation of subtraction?

Back

Addition.

Tags

CCSS.HSA.REI.A.1