5m-3n=19;m-6n=-7
please help me......
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Answered by
0
Answer:
m-6n=-7
=mn=7+6
mn =13 answer
Step-by-step explanation:
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Answered by
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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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