Equations and Review

One Step Basics

100

x+7=15

x=8

200

x-9=-3

x=6

300

5x=-25

x=-5

400

x/6=−2

x=-12

500

-3x=18

x=-6

Two Step Equations

100

2x+3=9

x=3

200

3x-4=11

x=5

300

4x+7=-9

x=-4

400

6x-9=-15

x=-1

500

x/4 +6=-2

x=-32

Fractions & Decimals

100

1/2x=6

x=12

200

x-2.5=-4.5

x=-2

300

x/3 +4=1

x=-9

400

0.4x=-12

x=-30

500

2x/5 =-14

x=-35

Negative Numbers

100

x-(-3)=8

x=5

200

-2x=-18

x=9

300

-3x+7=1

x=2

400

-4x-8=-20

x=3

500

-x/2 +3= -5

x=16

Review

100

Is -7 a rational, or irrational number?

Rational

200

Write 4,500 in scientific notation

4.5 x 10³

300

Is √50 rational or irrational?

Irrational

400

Write .00082 in scientific notation.

8.2 x 10^-4

500

Name the most specific set that -12 belongs to.

Integer