Addition
x + 4 = 25
What is 21
9x = 27
What is 3
y/6 = 2
What is 12
m + 3.7 = 5
What is 1.3
a + 13 = 16
What is 3
d - 7 = 9
What is 16
7x = 140
What is 20
x/4 = 14
What is 56
x + 66.09 = 102.80
What is 36.71
n + 8 = 14
What is 6
k + 83 =121
What is 38
5e = 400
What is 80
x/10 = 16
What is 160
5.6 = 8x
What is 0.7
x - 36 = 100
What is 136
x - 327 = 665
What is 992
1/5x = 5
What is 25
28 = a/3
What is 84
c/0.9 = 5.5
What is 4.95
27 = c + 27
What is 0
a + 163 = 392
What is 229
1/5y = 65
What is 325
80 = x/15
What is 1200
0.12 = y/0.12
What is 0.0144