3m-2n=19
5m+7n=11
21m-14n=133
10m+14n=22
Now add equations
31m=155
m=5
Now let's find n
3×5-2n=19
-2n=4
n=-2
Answer: (5; -2)
Answer:
9222521251
Step-by-step explanation:
+6261113051+
151232065+3
156
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