Answer:
x = mp - np
Explanation:
Make x the subject of m = n + x/p
m = n + x/p
subtract n from both sides:
m - n = n + x/p - n
m - n = x/p
multiply both sides by p:
p(m - n) = p(x/p)
x = p(m - n)
distribute p on right side:
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