Algebra Review

Addition

100

x + 4 = 25

 21

200

a + 13 = 30

17

300

m + 12 = 20

8

400

1 + y = 5

4

500

25 = p + 20

5

Subtraction

100

x - 2 = 6

8

200

d - 7 = 9

16

300

k - 12 = 40

52

400

15 = g - 5

20

500

100 = f - 100

200

Multiplication

100

4y = 100

y =25

200

6m = 36

m = 6

300

32 = 4f

f = 8

400

200 = 10g

g = 20

500

1000 = 2k

k = 500

Division

100

m/5 = 25

125

200

p/5 = 20

100

300

h/12 = 2

h = 24

400

50 = k/2

k = 100

500

45 = d/2

d = 90

Substitution

100

Solve x + 5, if x = 10

15

200

Solve d - 12, if d = 30

18

300

Solve 2x + 3, if x = 5

13

400

Solve b³ + 1, if b = 2

9

500

Solve 3m + 5n, if m = 2 and n = 4

26