Solving for Variables

1

100

x-7=8

x=15

200

2x=13

x=6.5

300

3n-5=55

n=20

400

7z+2=86

z=12

500

(7r+7)/3=21

r=8

2

100

r+18=9

r=-9

200

1/7q=12

q=84

300

x/4+18=19

x=4

400

(3x)/2=30

x=20

500

3/5x+8=2

x=-10

3

100

-4x=12

x=-3

200

k+972=973

k=1

300

17t-5=46

t=3

400

3(x-5)=15

x=10

500

3x-4=12x+5

x=-1

4

100

-1/7c=21

c=-147

200

y-(-3)=15

y=12

300

n/3-8=-2

n=18

400

5(1+n)=-5

n=-2

500

2x=2(x-3)

No Solution!

5

100

-7t=49

t=-7

200

x/4+1=-13

x=-56

300

x/-7-8=2

x=-70

400

(22-w)/3=-7

w=43

500

2x-5(x-3)=2(x-10)

x=7