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Answer:
n = 95.75
m = 17.75
Step-by-step explanation:
n = one number
m = another number
System of Equations:
n = 7+5m
n - m = 78
Substitution Method:
7+5m - m = 78
4m + 7 = 78
4m = 71
m = 17.75
n - 17.75 = 78
n = 95.75