Solving Two-Step and Multi-Step Equations

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

8v - 4(v + 8) = 8

Tags

CCSS.8.EE.C.7B

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

Tags

CCSS.8.EE.C.7B

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

What is the solution set of the equation?

- 2(x + 5) = 2x + 6

Tags

CCSS.8.EE.C.7B

A student solved the below equation wrongly as follows:

5 - 2(x - 7) = x + 1 + 3x

Solution:

5 - 2(x - 7) = x + 1 + 3x

= 3(x -7) = 4x + 1

3x - 7 = 4x + 1

x = - 8

Tags

CCSS.HSA.REI.A.1

2n + 6 = 16

• n=5

• n=-5

• n=11

• n = -11

Tags

CCSS.7.EE.B.4A

4s - 5 = 39

• s = -11

• s = 11

• s = 15

• s = -15

Tags

CCSS.7.EE.B.4A

5b - 7 = 93

• b = 20

• b = -20

• b = -10

• b = 10

Tags

CCSS.7.EE.B.4A

6x + 25 = 73

• x = 8

• x = -8

• x = 9

• x = -9

Tags

CCSS.7.EE.B.4A