goldenboy39 goldenboy39

01-05-2020
Mathematics

contestada

Solve the system of equations.
3m+3n=36
8m-5n=31

please help me

Respuesta :

amna04352 amna04352

02-05-2020

Answer:

m = 7, n = 5

Step-by-step explanation:

3m+3n=36

m + n = 12

n = 12 - m

8m-5n=31

8m - 5(12 - m) = 31

8m - 60 + 5m = 31

13m = 91

m = 7

n = 12 - 7

n = 5

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