Multi-Step Equations with Variables on One Side

2x - 3 + 4x = 27

• 12

• 4

• 5

• 15

4x + 10 = -26

• 4

• -4

• -9

• 9

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

-15 = 5a +12- 2a + 6

• -11

• -3

• 10

• 7

• a= -2

• a= -7.5

• a= 2

• a= 6

Solve for x.

Mathematical Equivalence

ON

_{what is the value of g?}
⅓g - 6 = 4

• g = 2

• g = 6

• g = 10

• g = 30

5 ( 2x - 10 ) +2 = 30

• 2.4

• 7.8

• 9

• 6

• a= 9

• a= -9

• a= -5

• a= 5

-5 + 5 ( 2x -3 ) = 45

• 19

• 6.5

• -10

• 5.2