5x - 3y = 10 ; m - 6n = -7
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Step-by-step explanation:
5m - 3n = 19 m - 6n = -7
10m - 6n = 38 m - 6n = -7
- SUBTRACT
10m - 6n - (m - 6n) = 38 - (-7)
10m - 6n - m + 6n = 38 + 7
9m = 45
m = 5
5 - 6n = -7
6n = 12
n = 2
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