Alg Ch 2.1-2.4

One-Step Equations

100

-20 = x - 5

-15

200

x ÷ 17 = 3

51

300

v + 15 = 34

19

400

-15 = -6 + x

-9

500

Write an equation and solve for 2 consective even integers that have a sum of - 46

n + n + 2 = -46

-22 and -24

Two-Step Equations

100

-10 - 7n = -3

-1

200

-143 = -8 - 9x

15

300

6x - 1 = -85

-14

400

x/3 - 7 = -4

9

500

Write an equations and solve to find 3 consecutive integers that have a sum of 168.

n + n + 1 + n +2 = 168

55, 56, 57

Multi-Step Equatins

100

6(8x + 4) = 168

3

200

-8(7n + 7) = -280

4

300

-6(7 - 4m) = 126

7

400

-6(4x + 7) = 102

-6

500

Write an equation and solve to find 4 consecutive odd integers that have a sum of 64.

n + n +2 + n + 4 + n +6 = 64

13, 15, 17, 19

Equations with Variables on Both Sides

100

3x - 9 = x + 7

8

200

-6 + x = -9 - 2x

-1

300

6 - 3b = -6b - 12

-6

400

1 - 4x = -7 - 5x

-8

500

2n + 7 = -2 + 5n

3