An equation in the variable n.
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If 7m = 4n+2 and 7m+2 = 8 m = 6/7 and n = 1
m=16, n=2
n = -8
As follows:- 4n+13 = n-8 4n-n = -8-13 3n = -21 n = -7
4n/7 + 8 = 20 subtract 8 from each side: 4n/7 = 12 multiply each side by 7: 4n = 84 n = 21