Solving Equations

Single - Step

100

z - 4 = 14

z = 18

200

255 = 5x 

x = 51 

300

4.8 = 0.2t

t = 24

400

10 = 7 + m

m = 3

500

0.9 = x + 2.8

x = -1.9

Multi - Step

100

3w + 7 = 19 

w = 4

200

2.5x - 13 = 2

x = 6

300

2g - 13 = 3

g = 8

400

(h+6)/5 = 2

h = 4

500

(d - 8)/-2 = 12

d = -16

Proportion

100

(3/8) = (12/b)

b = 32 

200

(30/8) = (h/6)

h = 22.5

300

(x/6) = (10/12)

x = 5

400

(25/28) = (30/(r + 5.6))

r = 28

500

(14/8) = ((x+4)/4)

x = 3

Random

100

3.8y + 5.6y - 2 = 2.7

y = .5

200

12x + 10x + 14 = 80

x = 3

300

6 + 5(m+1) = 26

m = 3

400

3(x - 2) - 4 = 20

x = 10

500

(7/10)(c) - 8 - (1/2)(c) = -16

c = -40