Solving Equations Review

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

What was done to solve the equation?

(Line 1) 5x - 8 = 32

(Line 2) 5x = 40

(Line 3) x = 8

• add 8 to both sides, then divide both sides by 5

• add 8 to both sides, then divide both sides by 40

• subtract 8 from both sides, then divide both sides by 5

• subtract 8 from both sides, then multiply both sides by 5

Tags

CCSS.HSA.REI.A.1

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

• Subtract 9 from both sides of the equation.

• Add 9 to both sides of the equation.  

• Subtract 3 from both sides of the equation.

• Add 10 to both sides of the equation.  

Tags

CCSS.7.EE.B.4A

What is the solution for x + 9 = 21

• 10
• 12
• 11
• 13

Tags

CCSS.6.EE.B.7

m+13=21

• m=34
• m=8
• m=273
• m=6

Tags

CCSS.6.EE.B.7

Tags

CCSS.6.EE.B.7

Tags

CCSS.6.EE.B.7

A - B = C

(solve for A)

• A = C - B

• A = C + B

• A - C = B

• B = A - C

Tags

CCSS.HSA.REI.B.3

Solve the formula for r. What is the 1st step?

• Divide each side by t.

• Subtract t from each side.

• Add t to each side.

• Multiply each side by t.

Tags

CCSS.HSA.CED.A.4