Self Assessment 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. It typically involves isolating the variable on one side of the equation.

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 the reverse order of operations. First, eliminate any constant added or subtracted from the variable, then eliminate any coefficient multiplied or divided with the variable.

Tags

CCSS.7.EE.B.4A

Front

Solve for d: 2d + 7 = 9

Back

d = 1

Tags

CCSS.7.EE.B.4A

Front

Solve for c: 3c + 5 = 23

Back

c = 6

Tags

CCSS.7.EE.B.4A

Front

Back

x = 15

Tags

CCSS.7.EE.B.4A

Front

Solve for w: -6w + 1 = -11

Back

w = 2

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 4x - 3 = 9?

Back

Add 3 to both sides of the equation to isolate the term with the variable.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to check your solution in an equation?

Back

Checking your solution means substituting the value back into the original equation to verify that both sides are equal.

Tags

CCSS.8.EE.C.7B

Front

Solve for a: a + 4 = -2

Back

a = -6

Tags

CCSS.6.EE.B.7

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Tags

CCSS.HSA.REI.A.1