Rewriting Equations for Variables

Solve for y

5x - 3y = -9

• y = 5/3x - 3

• y = 5/3x + 9

• y = 5/3x + 3

• y = 3/5x + 3

Tags

CCSS.6.EE.C.9

Solve for y

y+8=4x

• y = 4x + 8

• y = -4x - 8

• y = -4x + 8

• y = 4x - 8

Tags

CCSS.6.EE.C.9

Solve for y

y - 5x = 11?

• y = -5x + 11

• y = -5x - 11

• y = 5x + 11

• y = 5x

Tags

CCSS.6.EE.C.9

What is the solution to this equation?

• one solution

• no solution

• infinite solutions

• none of these

Tags

CCSS.8.EE.C.7A

Mary earns $14 per hour. Which equation represents how many hours she worked to earn $112? 

• 14h = 112

• 14 / h = 112

• h + 14 = 112

• h - 14 = 112

Tags

CCSS.HSA.CED.A.3

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5

• Subtract 5

• Multiply by 7

• Subtract 7

Tags

CCSS.7.EE.B.4A

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

Tags

CCSS.6.EE.B.7

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

Look at the work. What was done incorrectly?

• Don't divide by 2 first

• Don't add 7 to both sides

• It's correct!

• They should have subtracted 7

Tags

CCSS.HSA.REI.A.1