Solving Equations

One-Step Equations

100

x + 5 = 12

x = 7

200

x - 7 = 3

x = 10

300

4x = 20

x = 5

400

x/5 = 6

x = 30

500

-3x = 9

x = -3

Two-Step Equations

100

2x + 3 = 11

x = 4

200

x - 4 = 2x + 1

x = -5

300

x/2 + 5 = 9

x = 8

400

3x - 7 = 2

x = 3

500

(2x-1)/3 = 5

x = 8

Multi-Step Equations

100

2x + 3 = x + 7

x = 4

200

3(x - 2) = 2x + 1

x = 7

300

4x - 5 = 3x + 6

x= 11

400

2(x + 4) - 3 = x + 7

x = 2

500

(3x - 2)/2 + 4 = (x + 6)/2

x = 0

Literal Equations

100

ax = b ,for x

x = b/a

200

y - c = d, for y

y = d + c

300

v = bh/3, for h

h = 3v/b

400

y/x = z + w, for x

x = (y /z + w)

500

a = Πr², for r

r = √(A/∏)

Radical Equations

100

√x = 5 

x = 25

200

√(x + 3) = 4

x = 13

300

√(2x - 1) = 3

x = 5

400

2√5x = 20

x = 20

500

√(x + 2) = √(2x - 1)

x = 3