Addition
x + 4 = 25
What is 21
x - 2 = 6
What is 8
9x = 27
What is 3
y/6 = 2
What is 12
m + 3.7 = 89.4
What is 85.7
a + 13 = 19
What is 6
d - 7 = 9
What is 16
7x = 63
What is 9
x/4 = 14
What is 56
x - 66.09 = 102.8
What is 168.89
n + 12 = 36
What is 24
k - 83 =121
What is 204
5e = 400
What is 80
x/6 = 6
What is 36
5.6 = 0.25x
What is 22.4
x + 36 = 112
What is 76
x - 327 = 665
What is 992
11x = 275
What is 25
28 = a/13
What is 364
c/0.29 = 5.5
What is 1.595
839 = c + 159
What is 680
a - 163 = 392
What is 555
21y = 756
What is 36
80 = x/15
What is 1200
0.12 = y/0.12
What is 0.0144