Solving for X on Both Sides

Solve the equation for the variable

• 4

• -10

• 1

• -1

Solve the equation for the variable

• 5

• 10

• 12

• 17

You rewrote the equation after multiplying the LCD 4 to equal 2x - 20 = 3x + 12 What is the value of x?

Mathematical Equivalence

ON

Write the equation for the model.

• -2x - 1 = 2x - 9

• 2x - 1 = -2x - 9

• -2x - 9 = 2x - 1

Tags

8.8.C

• 1
• 19
• -10
• 10

10x + 9 = 4x - 9

• x = 0

• x = 3

• x = -3

• x = -18

8x - 8 = -4x + 16

• x = 8

• x = 16

• x = 24

• x = 2

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

• x = 6

• x = -6

• x = -18/13

• x = 10/3

Solve the equation:
7x - 4 = 3 + 8x

• x = 7

• x = -7

• x = 2/7

• x = 11

What is the value of x? (Round to the nearest tenth)

• 2.0 in

• 11.4 in

• 5.7 in

• 5.6 in

Tags

CCSS.8.G.B.7