Add Equations
Multiply and Divide Equations
Equations with Rational Coefficients
Two-step Equations
Subtract Equations
100

Solve for n.    9 + n = 15

N=6

100

Solve for a. 7a = 42

a=6

100

-1/2 = -5/18h

1 4/5

100

Solve for s. -8s + 1 = 33

s = 4

100

Solve for H. H - 5 = 2

H=7

200

Solve for D. 8 = D + -4

D=12

200

Solve for A. A/8 = 4

A=32

200

Solve for q. 6/5q = 6

q=5

200

Solve for h. 4h - 6 = 22

h = 7

200

Solve for G. G - 26 = 23

G=49

300

Solve for S. S + 69 = 17

S=(-52)

300

Solve for k. k/52 = 3

k=156

300

1/4m = 9

m = 36

300

Solve for m. 5 + 1/7m = 2

m=-21

300

Solve for E. E - 57 = 4

E=61

400

Solve for s. -45 + s = 0

S=45

400

Solve for B. B/20 = 9

B=180
400

1/3a = 14

a = 32

400

Solve for a. 32 + a = 45

a=77

400

Solve for B. B - 88 = 32

B=120

500

Solve for D 1738 + D = 21

D=(-1717)

500

Solve for y. 69y = 1173

Y=17

500

2/5a = 46

a = 115

500

Solve for g. g - 65 = 534

g=599

500

Solve for F. F - 420 = 99

F=519