Solve Equations and Justify

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

1 + 4n - 6n = 1 - 8n

• subtract 8n to both sides

• multiply 6n to both sides

• combine the like terms 4n + -6n

• add 1 to both sides

Solve:
3(x - 2) = 18

• 6.7

• 4

• 8

• -4

Tags

CCSS.7.EE.B.4A

8v - 4(v + 8) = 8

• 2

• 10

• 4

• -4 

Tags

CCSS.8.EE.C.7B

Solve the equation:
^x/₃+ 10 = 15

• 75

• 15

• 25

• 5

Tags

CCSS.7.EE.B.4A

2x - 3 + 4x = 27

• 12

• 4

• 5

• 15

Tags

CCSS.8.EE.C.7B

38 + 7k = 8(k + 4)

• 6

• 8

• -6

• 1

Solve:

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

• x = 5/3

• x = 3

• x = 1

• x = 2

Tags

CCSS.8.EE.C.7B

Solve: 5x + 15 = 10x - 40

• x = 10

• x = -10

• x = 11

• x = -11

Solve:
2x + 1 = 2x - 1

• No Solution

• x = 0

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A