helpwithmathwork helpwithmathwork

29-05-2018
Mathematics

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can someone solve the system of equations

can someone solve the system of equations class=

Respuesta :

evgeniylevi evgeniylevi

29-05-2018

Try this suggested solution:
1. if 'Equation2'-'Equation1', then
(5x+4y)-(5x-y)=42-27; ⇒ 5y=15; ⇒ y=3.
2. if to substitute y=3 into the Equation1, it is possible to find 'x':
5x-3=27; ⇒ 5x=30; ⇒ x=6.

answer: (6;3)

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