Solve Equations Rational with Variables on Both Sides

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides

• Add the 2a and a 

• Distribute 4 to a and -5

• Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

2+14a=-8+9a

• a = 2

• a = -2

• a = ⁶⁄₅

• a = 1

-8-5a=12-9a

• a = 5

• a = 1

• a = -2

• a = -1

(²⁄₃)a+1=16-a

• a = 0

• a = 9

• a = 22.5

• a = -3

14.2 = -11.6 + 2t

• 1.3

• 12.9

• -1.3

• -12.9

Tags

CCSS.7.EE.B.4A

–1.3x + 1.9 = –11.1

• 7.1

• -10

• 10

• -7.1

Tags

CCSS.7.EE.B.4A

-1.3r + 5.2 = 1 - 2.7r

• r = -1.05

• r = 2

• r = 5

• r = -1

4.3(v + 2.5) = 8.11 + 4v

• v = -8.8

• v = 4.5

• v = 12

• v = 9

3a-24=-a

• a = 6

• a = 12

• a = -8

• a = -12

Tags

CCSS.8.EE.C.7B

8-3a+12=2a

• a = 4

• a = 1

• a = 3

• a = 5