Formulas
Proportions!
100

Solve for n

t=hn

t/h = n

100

x/3 = 4/12

x=1

200

Solve for x

3x + 5y = 15

x = (15-5y)/3
200

9/x = 45/10

x=2

300
Solve for z


x = 5z + q

z = (x-q)/5

300

(x - 1)/12 = 2/4

x=7

400

Solve for k:

10 + k + j = w

k = w-10-j

500

Solve for y

10x + 2y = 54

y= (54 - 10x)/2

M
e
n
u