Equation review

2 step equations

100

3x + 4 = 13

x = 3

200

2x - 5 = 9

x = 7

300

-5x + 8 =23

x = -3

400

-2x + 6 = -8

x=7

500

x/3 + 7 = 12

x = 15

2 step equations

100

r/8 - 3 = -4

r = -8

200

te2 + v/2 = -2

v = -8

300

3(x - 4) = -9

x = 1

400

-2 ( x + 3 ) = 10

x = -8

500

- 5 ( x - 1 ) = - 15

x = 4

multistep equations

100

- 11 = 4x + 8 - 7

x = -3

200

1 + 4n + 4n = 9

n = 1

300

- 4 = - a - 4 + 5a

a = 0

variables on both sides

100

- 3x + 9 = 6x - 18

x = 3

200

5x + 2 = 7x - 6

x = 4

300

6x - 5 = 4x + 7

x = 6

400

4x - 7 = 3x + 2

x = 9

500

5x + 7 = 4x + 9

x = 2

parentheses

100

8 (x - 8 ) = 6 ( x - 6 )

x = 14

200

- ( n + 1 ) = 3 ( -3 + n )

n = 2

300

- 3 + 2 ( 5 + 2r ) = ( 2r - 5 )

n = 2