8th Grade Equations

MMMMulti

100

7b-7-8b=-15

b=8

200

-4= -7n-4(1-2n)

0

300

4x-7x=-18

6

400

-3=-6+n-3

6

500

32=8(3x+7)

x=-1

What's the steps??

100

Remove all parenthesis by using the 

distributive property

200

Combine All

like terms

300

Combine all like terms on the 

same side of equation

400

Undo the 

add/subtraction

500

Undo the ______ or add/ subtraction

multiplcation/divison

multi Equations

100

9=-3(-5-2n)-6(1-5n)

0

200

-24=4n+4n

3

300

15=5(1-m)-2(1-m)

4

400

-7=7r-6r

7

500

-3(1+4a)=33

-3

simplify Equations

100

-3k + 5K

2k

200

p-3-6

-9+p

300

6(1-x)+1

6x+7

400

3(7n+9)+6(2n-2)

33n+15

500

-3(x+5)

-3x-15

Equations

100

-7x+x

-6x

200

r+7+1-7r

-6r+8

300

-8a+9a

1a

400

6(1-x)+1

-6x+7

500

7-(10b-3)

-10b+10