pre-a chap 4 final

distribute

100

7(x + 3)

7x + 21

200

(x - 6)3

3x -18

300

-2(x - 7)

-2x + 14

400

-1(x - 9)

-x + 9

500

(8x - 4)(-5)

-40x + 20

combine like terms

100

6x + 5x

11x

200

7x - 2x + 3

5x + 3

300

6x - 3 + 2x + 5

8x + 2

400

x + 6(x + 3)

7x + 18

500

2(x + 3) + 3x

5x + 6

equations +/-

100

x + 4 = 10

x = 6

200

x - 4 = -3

x = 1

300

-5.3 = x + 4.1

x = -9.4

400

x - 2/9 = 2/3

8/9

500

x + 3 1/4 = 2 1/5

x = -1 1/20

equations x/÷

100

12x = 24

x = 2

200

x/5 = 4

x = 20

300

-4x = -32

x = 8

400

x/-4 = 16

x = -64

500

1/6x = -4

x = -24

2-step equations

100

3x + 5 = 29

x = 8

200

3 + 4x = 15

x = 3

300

x/3 + 2 = 5

x = 9

400

x/5 - 3 = 7

x = 50

500

211 - x/3 = 111

300