math 212 Review

Solving 1 step equations

100

-4 = 3 + v

v=-7

200

k/26=2

k=52

300

40 = 23 - x

x=-17

400

18n = 90

n=5

500

a - (-24) = -6

a=-30

Solving 2 step equations

100

23 = -5x + 3

x=-4

200

-2 - 5x = -2

x=0

300

-3 + 4m = 37

m=10

400

(k/8)-1=-2

k=-8

500

             v+10

  10=     ------

                2

v=10

solving inequalities

100

p-1>5

p>6

200

x + 10 < 7

x<-3

300

v+5>15

v>10

400

x-3>2

x>5

500

4-2n < -4

n>4

Solving equations with variable on both sides

100

5x+1=3x+5

x=2

200

5x-2=3x+4

x=3

300

2(x + 5) = 3(x – 2) + 7

x=9

400

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

x=-3

500

0.2 +0.15m + 0.1 = 0.35m

m=1.5

Radicals

100

what is the square root of 81?

9

200

6²=x

x=36

300

7²=b

b=49

400

What is the cubed root of 64

4

500

x³=729

x=9