Algebraic Expressions and Equations

Finding the Coefficient

100

5a

5

200

3b

3

300

15x

15

400

123g

123

500

x

1

Combining Like Terms

100

32y + 17y

49y

200

3x + 2x

5x

300

-6+7m+8

7m+2

400

-22n+18n-15

-4n-15

500

3x+8x²-11x

-8x+8x²

Using Distributive Property

100

3(x-2)

3x-6

200

-6(x+7)

-6x-42

300

-7(y-8)

-7y+56

400

2(2x-1)

4x-2

500

5(a-b)

5a-5b

Solving for the variable

100

10=z+6

z=4

200

t-19=2

t=21

300

8y=48

y=6

400

18=a/2

a=36

500

r/3=7

r=21

Multistep equations

100

4x-12=2x+50

x=31

200

12a+7-8a=-1

a=-2

300

2m-3-6m=-27

m=6

400

4(3y-1)=5y-11

y=-1

500

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

4=x