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Linear Equations

100

x+7=15

x=8

200

3x−5=16

x=7

300

4(x−2)=20

x=7

400

5x+8=2x+23

x=5

500

3(2x−5)−4=2(x+7)+9

x=21/2

Absolute Value

100

|x|=6

x=6 or x=−6

200

|x−3|=5

x=8 or x=−2

300

|2x+1|=7

x=3 or x=−4

400

3|x−2|=12

x=6 or x=−2

500

2|3x−1|−4=10

x=8/3 or x=-2

Compound Inequalities

100

x+3<10

x<7

200

2<x+4≤9

−2<x≤5

300

−5≤2x+1<9

−3≤x<4

400

3x−2>7 or x+5≤1

x>3 or x≤−4

500

−8<–3x+1≤13

3>x≥4

Evaluating Functions

100

f(x)=x+4, find f(3)

7

200

f(x)=2x−5, find f(6)

7

300

f(x)=x²+3x, find f(4)

28

400

f(x)=3x²−2x+1, find f(−2)

17

500

f(x)=2x²−5x+4, find f(−3)

37