Solving Linear Equations

Solving Equations by Addition,Subtraction, Multiplication, & Division

100

r-21=-37

r= -16

200

r + (-1/2) = -3/4

r = 

-1/4

300

6x = -42

x= -7

400

(5a)/2= -25

a= -10

500

5 = r/2

r=10

Solving Multi-Step Equations

100

4p - 7 = 5

p= 3

200

6 = 4v +2

v=1

300

c/-4 -8=-42

c= 136

400

(y/3) + 6=-4

y= -30

500

(4d + 5)/7 = 7

d = 11

Solving Equations with the Variable on Each Side

100

n-2=4 - 2n

n = 2

200

3-4q = 10q +10

q = -0.5

300

5t - 9 = -3t +7

t= 2

400

3(1 +2d)-5 = 3d -1

d=1/3

500

4(2f -2) = 4f

f=2

Simplify

100

2a+3a+7a-5a

7a

200

2x^2 +3x -x^2 +7x

x^2 +10x

300

3(x-2)+4x-6

7x-12

400

2(x+2)+3(x-1)

5x+1

500

3(2x-4)-6(x-1)

-6