4m - 2n = -4 ; 4m + 3n = 16
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Solution:
4m-2n=-4. (1)
4m+3n =16. (2)
Subtract (1) from (2)
4m-4m-2n-3n =-4-16
-5n=-20
4=n
put value of n in 1
4m-2×4=-4
4m=-4+8
4m=4
m=1
hope it helps you
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