Question

Solve: 4
m+ 6n=54) 3 m+ 2n=28​

Answer 1

Answer:

Mulitply second equation by 3 and subract first equation from it,

3(3m+2n)-(4m+6n)=3(28)-54

9m+6n-4m-6n=30

5m=30

m=6

Substitute in first equation,

4(6)+6n=54

6n=54-24

6n=30

n=5

Thus m=6 and n=5

Step-by-step explanation:

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Answer 2

Answer:

on solving the above equations,

m = 15/4

n = 67/8