Solving for a variable
One Step Equations
Multistep equations
Proportions and Ratios
Percent
100

Solve for x: cx = r - d

Review #58

100

x + 2 =4

2

100

-10 = -3-x

7

100

Solve the ratio: 7 is to 2 as x is to 6

21

100

17% of what is 11.3?

66.5

200
Solve for x: k - x = w - v

Review #59

200

6 = x/10

60

200

6m - m = -5

5

200

Solve the ratio: n is to 8 as 4 is to 2

16

200

1 is 11% of what? 

9.1

300

Solve for a: a + k = w - v

Review #65

300

k+7=4

-3

300

7(3-3b) = -4 + 4b

1

300

(m+1)/(m+6) = 4/5    Find M

19

300
86% of 6 is what?

5.2

400

Solve for r: d = rt

r = d/t

400

-10=5b

-2

400

7(x+4) = 7x +28

All Real Numbers

400

6/2 = (x+1)/(x-3)

5

400

What percent of 13 is 11?

84.6%

500

Solve for F: C = 5/9(F-32)

F = 9/5C + 32

500

k-6=-16

-10

500

7(x-4) = 7x +28

No solution

500

k/8 = 5/4

10

500

Target sells jeans at a 20% discounted price of 20$. Find the initial cost of the jeans before the discount.

$25