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 undo addition or subtraction, then undo multiplication or division.

Tags

CCSS.7.EE.B.4A

Front

Solve for d: -14.3 = -1.4 - 3d

Back

d = 4.3

Tags

CCSS.7.EE.B.4A

Front

Solve for x: -2 = 2 + \frac{x}{4}

Back

x = -16

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 6 + \frac{x}{2} = 4

Back

x = -4

Tags

CCSS.7.EE.B.4A

Front

Solve for x: \frac{2}{3} + 4x = 6 \frac{1}{3}

Back

x = 1 \frac{5}{12}

Tags

CCSS.7.EE.B.4A

Front

Solve for w: 4w - 9 = -9

Back

w = 0

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 3x + 5 = 20?

Back

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

Tags

CCSS.7.EE.B.4A

Front

What does it mean to 'undo' an operation in algebra?

Back

To 'undo' an operation means to perform the inverse operation, such as using subtraction to undo addition.

Tags

CCSS.HSA.REI.A.1

Front

If you have the equation 5x = 25, what is the first step to solve for x?

Back

Divide both sides by 5 to isolate x.

Tags

CCSS.HSA.REI.A.1