Math 6/7 Unit 11 Review

Expressions

100

Simplify.

-4+13x+10-16x

-3x+6

200

Simplify.

-4(6x-1)+30x

6x+4

300

Simplify.

-10(-2x+1)+14-20x

4

400

Simplify.

-(3x-3)-(2x+8)

-5x-5

500

Simplify.

-3(-20x-15y-10)-x-y-1

59x+44y+29

Factoring

100

Factor using the GCF.

4x+6y

2(2x+3y)

200

Factor using the GCF.

24x-40

8(3x-5)

300

Factor -4 out of the expression.

-4x+20

-4(x-5)

400

Factor -1 out of the expression.

-2-5y

-(2+5y)

500

Factor 1/2 out of the expression.

1/2x+5

1/2(x+10)

One-Step Equations

100

Solve.

4.9+x=19.2

x=14.3

200

Solve.

x/-1=-4.5

x=4.5

300

Solve.

-1.5x=9

x=-6

400

Solve.

1/4x=5

x=20

500

Solve.

-2/3x=12

x=-18

Two-Step Equations

100

Solve.

-3+2x=13

x=8

200

Solve.

5x-20=-15

x=1

300

Solve.

(x-14)/2=3

x=20

400

Solve.

(x+1.5)/-2=1

x=-3.5

500

Solve.

(4x)/-10=10

x=-25

Multistep Equations

100

Solve.

-x+x-5x+2x=9

x=-3

200

Solve.

10x-40=-10x+100

x=7

300

Solve.

8=-(-2x+20)

x=14

400

Solve.

-6(2x-1)=0

x=1/2

500

Solve.

-3(x+2)+x=2(-3x+17)

x=10