2-Step Equations Study Guide

Addition

100

8+v=-8

v=-16

200

X + 15 = -26

^x=-41

300

-29=6+5n

n=-7

400

5x+3=-22

x=-5

500

-7=-c/6 +12

c=114

Subtraction

100

x-22=-35

x=-13

200

12=3.6-2.4x

x=-3.5

300

2x-6=4

x=5

400

-11=w/9-10

w=-9

500

-6x-4=-22

x=3

Long Fraction Bar

100

(r-5)/4=3

r=17

200

(x+1)/-3=2

x=-7

300

-4=(m+(-1))/8

m=-31

400

(r-3)/3=5

18

500

(x-7)/-3=4

x=-5

Mult./Divi.

100

-8x=-240

x=30

200

x/6=-13

x=-78

300

-7x=49

x=-7

400

-3r=3

x=-1

500

-7/11=v/11

v=-7

Other

100

Write an equation for 

"Eight less than twice a number is fourteen"

2x-8=14

200

Write an equation and Solve.

"Five increased by the product of three and x is 23." What is x?

6

300

Write an equation and Solve. 

"Malik's three fish tanks contain an equal amount of fish. If Malik has a total of 27 fish, how many fish are in each tank?"

9

400

Write an equation and solve.

"Sally spent one-half of her money and then lost eight dollars. She now has $20. How much money did she have to start with?"

$56

500

Write an equation.

"Nine less than a number is 4.

x-9=4