Equations: Test Review

5x - 14 = 8x + 4

• x = 6
• x = -6
• x = -18/13
• x = 10/3

7x - 4 = 3 + 8x

• x = 7
• x = -7
• x = 2/7
• x = 11

f - 4 = 6f + 26

• f = -5
• f = 5
• f = 6
• f = -6

10x + 9 = 4x - 9

• 0
• 3
• -3
• -18

-5k + 10 = -2k - 14

• 8
• -8
• 2
• -2

1 + 9a - 8 = 8a

• a = 7
• all real numbers
• no solution
• a = =9

8v - 4(v + 8) = 8

• 2
• 10
• 4
• -4 

Tags

CCSS.8.EE.C.7B

Solve for x:
4(1-x) + 3x = -2(x+1)

• x = -6
• x = 6
• x = 3

Solve:
2(4x-3) - 8 = 4 + 2x

• x = 5/3
• x = 3
• x = 1
• x = 2

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

• y = -4
• y = 9
• y = 4
• y = 36/19