Math, asked by lohfyb6, 1 year ago

find m:n if 5m-n/n-m=5/7

Answers

Answered by kark

3

first of all
5m-n/n-m = 5/7
5m-n[7] = 5 [n-m]
35m-7n = 5n-5m
35m+5m = 5n+7n
40m = 12n
m/n = 12/40
= 3/10

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