Math 7 - Ch 4 Review

Solving Equations with Addition/Subtraction

100

x+5=12

x=7

200

y−8=15

y=23

300

DAILY DOUBLE!!!

z+(−6)=10

z=16

400

a−3.5=7.2

a=10.7

500

b/4 + 3 = 11

b=32

Solving Equations with Multiplication/Division

100

3x=12

x = 4

200

y/5 = 9

y=45

300

−4z=20

z=−5

400

0.2a=1.4

a=7

500

2/3b = 12

b=18

Solving Two Step Equations

100

2x+3=11

x=4

200

−3y+5=−10

y=5

300

4z−6=2

z=32

400

0.5a−2=3

a=10

500

−7b+8=−20

b=4

Solving Inequalities with Addition/Subtraction

100

x+3≤10

x≤7

200

DAILY DOUBLE!!!

y−5>−2

y>3

300

a+3.2≤7.5

a≤4.3

400

b/3  −2<5

b<21

500

−z+6≥4

z≤2

Solving Inequalities with Multiplication/Division

100

4x>20

x>5

200

y/5  ≤8

y≤40

300

−3z≥12

z≤−4

400

0.25a<2.5

a<10

500

2 /3b>12

b>18