Solving Equations

One-Step Equations

1

4 = -8 + x

x= 12

2

x + 12 = 0

x= -12

3

3 = -2 – x

x= -5

4

5x = -80

x= -16

5

-16 = x+2

x= -18

Two-Step Equations

1

6x – 13 = 11

x= 4

2

3x + 5 = 14

x= 3

3

2x + 2 =-8

x= -5

4

(x/2)+8=10

x= 4

5

(x/3)-3=-3

x= 0

Variable Expressions

1

A number plus four

x + 4

2

Two times a number

2x

3

Four less than three times a number

3x - 4

4

Seven more than five times a number

5x + 7

5

A number divided into three groups 

x/3

Multi-Step Equations

1

Solving Equations

x + 3 + 3x = 7

x = 1

2

Solving Equations

5 + 5x - 1 = 29

x = 5

3

Solving Equations

-45 = 3x + 4 + 4x

x = -7

4

Solving Equations

14 = -(2a + 6) + 2

a= -9

5

Solving Equations

-21 = 7(5k - 8)

k = 1

Equations with Variables on Both Sides

1

4x - 2 = 3x + 5

x = 7

2

2(x - 4) = 5x + 4

x = -4

3

6x + 3 - 2x = 2x + 11

x = 4

4

9 - x = 6 + 2x

x = 1

5

6x - 15 + 4x = 5(2x - 3)

ALL REAL NUMBERS