equations

equations

100

9n-6=5n+18 

n=6

200

2x+5=3

x=-1

300

4a+8=3a+10

a=2

400

4x+3=-5x+21

=2

500

-12m+4m-5-9=8-13m+15-8

m=-7

equations

100

2(x+2)-5=3(x+1

x=-4

200

3x-5=-26

-21

300

-4x+7=15

₈

400

5b+8+3b+4=40-4

b=8

500

5(3h-9)-12=12-7(h-9)

h=6

equations

100

4x+7+2=6x-5

No solution

200

-5x+4+2x=16

x=-4

300

2x+2=10

4

400

(4-y)-3(y+3)=-11

y=2

500

-3x-4(4x-8)=3(-8x-1)

x=-7

equations

100

3x+6=5

x=-3

200

2x-5=3

x=4

300

x-23=8

x=31

400

c-20=4-3c

c=6

500

-3(4x+3)+4(6x+1)=43

x=4

equations

100

2x+5=21

x=8

200

7x-9=5

14

300

9k=-27

k=-3

400

5x+77=22

x=3

500

4(x+3)+2=4.5(x+1)

x=19