Write Equations in One Variable
Solving equations using addition/subtraction
Solving equations using multiplication/division
100
The sum of a number, x, and four equals 12
x + 4 = 12
100

25 = q + 14

q = 11
100

w/4 = 12

w = 48

200

54 equals 9 more than a number, x

x + 9 = 54

200

k + 6 = 18

k = 12

200

2/7 x = 6

x = 21

300
9.5 less than a number, n, equals 27

n - 9.5 = 27

300

f - 27 = 19

f = 46

300

65 = 5b

b = 13

400
5 is one-fourth of a number, c. 

1/4 c = 5

400

1.2 = m - 2.5

m = 3.7

400

5z=30

z = 6

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