A few days ago
substitution method?
8m + n = 30
m – 7n = 18
Top 1 Answers
A few days ago
Favorite Answer
Solving the second equation in terms of m, you get:
m = 7n + 18
Substituting this into the first equation yields:
8(7n + 18) + n = 30
56n + 144 + n =30
57n = -114
n = -2
Hence,
m = 7(-2) +18 = 4
Answer: m = 4, n = -2
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