math review

solving equations with variables

100

sove for x

9x+7=4x+27

X=4

200

solve for x

30+2x=9x-40

x=10

300

solve for x

5x+3=4x+15

x=12

400

solve for x

50+25x=35x

x=5

500

x+5=4x-1

x=2

Literal equasions

100

Solve for x

ax+6=48

x=42/a

200

solve for x

ax-7<35

x<42/a

300

solve for x

-ax-4>20

x<24/-9

400

Rearrange the formula for r

d=rt

r=d/t

500

solve for h

v=1/3 lwh

v3/lw=h

random

100

Ryan is a wrestler trying to make weight, he currently weighs 200 pounds. if he cuts 2 pounds per week, how many weeks will it take him to way less than 175 pounds? write an inequality and solve

200-2x<175

x>12.5

200

solve for x

95<-8x+32-x

x<-7

300

solve for x

8x+2y=1

x=-1-2y/8

400

solve for y

8x+2y=1

y=-8x+1/2

500

what does an or inequality mean

solutions must make at least one part of the inequality true

multi step inequalities

100

2-16x<82 

solve for x

X>-5

200

solve for x

8x+56<104

x<6

300

solve for x

-15-3x>1-x

x<-8

400

solve for x

235<4-28x-5x

x<-7

500

solve for x

-14x-8>-106

x<7