1-1 Review

Addition

100

s+5=13

s=8

200

12+v=13

v=1

300

12=2+y-1

y=11

400

51=5+d+3+6

d=37

500

9+v+3+35=98

v= 51

Subtraction

100

t-8=9

t=17

200

d-30=20

d=50

300

63=m-2-41

m=106

400

-50-54+a=79

a=183

500

-9=-7+u-9-6

u=13

Multiplication

100

-15x=0

x=0

200

17x=204 

x=12

300

-104=8x

x=-13

400

-56=-14b

b= 4

500

-90-33 = 3y

y=-41

Division

100

v/8=2

v = 16

200

r/18 = 72

r = 1,296

300

27 = g/9

g = 243

400

m/4 = -13

m = -52

500

x/(-5) = -625

x = 3125

2 step equations

100

10z-46=4

z= 5

200

3(n+5) = 12

n = 1

300

277=33y+13

y = 8

400

m/4 - 9 = -5

m = 16

500

1-d/4=-7

d = 32