8th Grade Equations

2 Step Equations

100

7a-3=-31

n=-4

200

16=40-3p

p=8

300

-17+1/2m=-29

m=-24

400

(r-7)/6=-5

r=-23

500

-1.5=(c+13)/-8

-1=c

Multi-Step Equations

100

6x-3-11=8x+2

x=-8

200

6a+40=2a

a=-10

300

-52=4(3n-1)

-4=n

400

7(3k-2)-13k=82

k=12

500

1/2(12v-20)-4=-14-8v

v=0

Potpourri

100

8x+17=2x+35

x=3

200

4(x-3)+3=6x+4-2x-16

RR

300

5w-29=55-2w

w=12

400

10-4(3-2y)=8y-5

No Solution

500

1-(2n+9)=4(n-2)

n=0

Two-Step Inequalities

100

2x+9>21

x>6

200

n/7-13>=-11

n>=14

300

18-a>25

a<-7

400

-2y+22<18

y>2

500

(p+9)/-4<-5

p>11

Review

100

x^3*x^6

x^9

200

Convert the following to Scientific Notation. 

130,000

1.3 xx 10^5

300

(7x^2-6x+5)+(5x^2+3x-17)

12x^2-3x-12

400

The number 3.5 belongs to which of the following categories: 

Real, Irrational, Rational, Integer, Whole, Natural

Real, Rational

500

(9-2)^2-Abs(3-17)+4

39