Answer:
Explanation:
a) 15 + 6x = 81
6x = 81 - 15
6x = 66
x = 11
b) 40 + 55h = 190
55h = 190 - 40
55h = 150
h = 2.7
c) (p + 7)/12 = 3
p + 7 = 36
p = 36 - 7
p = 29
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