Unit 1 Test Review

Multi-Step Equations

100

3x+7=19

x=4

200

4(x−3)+8=20

x=6

300

5(2x+3)−4(x−1)=3x+12

x=-7/3

400

2(3x−4)−5(x+2)=3(x−1)+7

x=-11

500

7(2x−3)−4(3x+5)=2(5x−1)−9

x=-15/4

Absolute Values

100

∣x−5∣=8

x=13 or x=-3

200

∣2x+3∣=11

x=4 or x=−7

300

∣2x+5∣=−7 

no solution

400

∣3x+2∣−5=7

x=10/3 or x=-14/3

500

∣3x−7∣+2=11

x=16/3 or x=-2/3

Absolute Inequalities

100

∣x−3∣<5

x<8 x>-2

200

∣2x+1∣≤7

x≤ 3  x≥-4

300

∣3x−4∣>8

x>4  x<-4/3

400

∣x+2∣−3<6

x<7  x>-11

500

∣3x+2∣−4≤7

x≤ 3  x≥ -13/3

One & Two Variable Equations

100

5x−7=18

x=5

200

3(x+4)−5=16

x=3

300

y=6x-11

-2x-3y=-7

Solve for x,y

(2,1)

400

4(2x−3)−5(x+1)=7

x=8

500

-4x+y=6

-5x-y=21

Solve for x,y

(-3,-6)