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

Answer Link

Otras preguntas

what is the answer for (20,8),(9,16) ?

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Scarcity is the condition of not having enough goods and services to satisfy everyone's?

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

how is mass transit in cities a possible solution tk urban air pollution?

How is it possible for Mercury to have frozen ice ?

what is the answer for (20,8),(9,16) ?

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

how is mass transit in cities a possible solution tk urban air pollution?

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.