Solving linear equations

One-step equations

100

r+15=-7

r=-22

200

-5+n=12

n=17

300

-4x=-68

x=17

400

x+7=0.8

x=-6.2

500

k/5=-14

k=-70

Two-step equations

100

-6x+2=20

x=-3

200

-11=10x-1

-1=x

300

9x-7=-7

x=0

400

m/9-1=-2

m=-9

500

(n+5)/-16=-1

n=11

Multi-step equations

100

11t+4=-5t-28

t=-2

200

3x+9=6(x-2)

7=x

300

2(9x-8)=8(x-7)

x=-4

400

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

x=-12

500

-7(x+1)-6=-41x+55

x=2

Distributive property

100

6(4x-1)

24x-6

200

5(-x-2)

-5x-10

300

-7(x-5)

-7x+35

400

-2(1+m)

-2-2m

500

-4(3-y)

-12+4y

Combining like terms

100

-3x-9+15x

12x-9

200

-5n+3(6+7n)

16n+18

300

-2n-(9-10n)

8n-9

400

-3(10b+10)+5(b+2)

-25b-20

500

-7(n+3)-8(1+8n)

-71n-29