Equations With Variables on Both Sides

Solve the equation for the variable

• 5

• 10

• 12

• 17

Mathematical Equivalence

OFF

Tags

CCSS.7.EE.B.4A

Solve:
5y + 34 = -2(-7y+1)

• y = -4

• y = 9

• y = 4

• y = 36/19

What is the first step you should take to solve this problem?

-3(x - 2) = -8 +9b

• add 8 to both sides

• subtract 9b from both sides

• Distribute -3 to the x and -2

• add 2 to both sides

Tags

CCSS.7.EE.B.4A

3(x-8) = 3x-24

• No Solution

• x=3

• Infinite Solutions

Tags

CCSS.8.EE.C.7A

Two companies are shipping a box. Company A charges $7.25 for shipping and $0.20 for each pound. Company B charges $5.15 for shipping and $0.30 for each pound. How many pounds, p, will it take for Company A and Company B to cost the same?

• 0.5

• 7.25

• 5.15

• 21

Tags

CCSS.8.EE.C.8C

10x + 9 = 4x - 9

• x = 0

• x = 3

• x = -3

• x = -18

-7x - 36 = 20 -3x

• -12

• -14

• 15

• 8

12k + 15 = 35 +2k

• k = 2

• k = 4

• k = -2

• k = -4

Solve for x:
5x - 14 = 8x + 4

• x = 6

• x = -6

• x = -18/13

• x = 10/3