Write and Solve 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 addition or subtraction followed by multiplication or division.

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: first undo addition or subtraction, then undo multiplication or division.

Tags

CCSS.7.EE.B.4A

Front

Solve for r: -9r + 12 = -24

Back

r = 4

Tags

CCSS.7.EE.B.4A

Front

Write an equation for the growth of a baby giraffe that grows 0.08 feet every day, starting at 6 feet, if its height is now 6.48 feet.

Back

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CCSS.6.EE.B.7

Front

Solve for y: 3y - 5 = 16

Back

y = 7

Tags

CCSS.7.EE.B.4A

Front

What does it mean to 'solve' an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Tags

CCSS.7.EE.B.4A

Front

Write an equation for a server earning $7.80 per hour plus $87.40 in tips to earn $136.15.

Back

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CCSS.HSA.CED.A.3

Front

Ken thinks of a number. Nine more than the product of 4 and the number is 73. Write the equation.

Back

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CCSS.HSA.CED.A.3

Front

What is the first step to solve the equation 2x + 3 = 11?

Back

Subtract 3 from both sides to isolate the term with the variable: 2x = 8.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 5x - 10 = 0?

Back

x = 2.

Tags

CCSS.7.EE.B.4A