Two-Step Equations Review

Integers

100

40x+120=720

x=15

200

30+15y=480

y=30

300

-2(n+3)=7

n=-6.5

400

5n+20=16

n=-4/5

500

16=5f+15

f=1/5

Fractions

100

21= 5/6c - 9

C= 36

200

2 1/8= 1/4w +1/8

w=8

300

-3/4x + 1/2 = 13/2

x=-8

400

−3/4x + 1/2= −11/2

x= 8

500

5/6x + 3/4= 19/4

x=4.8

Decimals

100

3.5x+12.35=54.35

x=12

200

0.5x-3=7

x=20

300

2.54= 1.1 + 1.2a

a=1.2

400

−1.3z + 0.2=0.2

z= 0

500

1.6= X/0.7 + 2.6

x=-0.7

Distributive Property

100

2(2x+7)=50

x=9

200

5(z+9)=15

z=-6

300

3/4(x - 4) = 6

x=12

400

1/2(x+6)= 7

x=8

500

1/8(24x-16)=7

X=3

Distributive Property + Like Terms

100

DISTRIBUTE AND COMBINE LIKE TERMS 

6x - 3(4x + 8)

-6x - 24

200

Which Value of X will make the equation 4x+5+6x-3=82 true?

x=8

300

4y-4(2y+4)=48

y=-16

400

97= 5x + 2(5x+11)

x=5

500

190= -7x + 2(-7x - 10)

x=-10