Math 8: Chapter 1 - Solving Equations

1.11-Step Equations

100

d+5=27

d=22

200

6a=84

a=14

300

k/-7=14

k=-98

400

5f=42

f=8.4

500

3/5t=12

t=20

1.2Multistep Equations

100

-3z+1=7

z=-2

200

b/4+8=12

b=16

300

4n+8n-1=23

n=2

400

Find the value of x.

x=29

500

-3(x+2)+5x=-10

x=-2

1.2Multistep Equations

100

2+10x=32

x=3

200

x/2-9=-25

x=-32

300

5(2v + 4) = 170

v=15

400

3(5-2h)+9=-30

h=9

500

5 = 6(q – 5) – 19

q=9

1.3Equations w/ Variables on Both Sides

100

5y-14=2y-2

y=4

200

3d+4+d=13+d

d=3

300

6(h+4)=6h+4

no solution

400

1/2(16n+20)=2(4n+5)

infinite solutions

500

9(8d-5)+13=12d-2

d=1/2

1.3 Equations w/ Variables on Both Sides

100

13s-31=2s-9

s=2

200

3(b-4)=5b-2

b=-5

300

-10e+15=5(19-6e)

e=4

400

4(x+3)+2x=9x−30

x=14

500

3+2(8-k)=3k-1

k=4