Solving Equations with Variables on Both Sides

What is the first step to solve this equation? 3x + 6 = 10 + 3x + 4x

• Add 4x to both sides of the equation

• Combine like terms 3x and 4x on the same side of the equation

• Add 3x and 6 to get 9x

• Add 6 and 10 to get 16

What is the next step to solve this equation?

3x + 6 = 10 + 7x

• Add 10 to both sides of the equation

• Add 6 to both sides of the equation

• Subtract 3x from both sides of the equation

• Add 7x to both sides of the equation

What is the first step you should take to solve this equation: 3(x-2) = 2x + 7

• Add 2 to both sides

• Use the distributive property to get rid of the parentheses

• Isolate the variable on one side

• Subtract 7 from both sides

Solve the equation:

3x + 2(4x - 4) = 3

• 4

• 3

• 2

• 1

Tags

CCSS.8.EE.C.7B

8x - 8 = -4x + 16

• x = 8

• x = 16

• x = 24

• x = 2

-5k + 10 = -2k - 14

• k = 8

• k = -8

• k = 2

• k = -2

-7x - 36 = 20 -3x

• -12

• -14

• 15

• 8

Solve the equation:
3(x - 1) = 2x + 9

• x = 12

• no solution

• x = 10

• x = 6

10x + 9 = 4x - 9

• x = 0

• x = 3

• x = -3

• x = -18

7w + 5 = 3w - 15

• w = 5

• w = -2

• w = 2

• w = -5