arielpraczko1
arielpraczko1 arielpraczko1
  • 06-02-2019
  • Mathematics
contestada

Need help with 9 please

Need help with 9 please class=

Respuesta :

Stumphannah1 Stumphannah1
  • 07-02-2019

Answer:

x = 5

y = 1

Step-by-step explanation:

So move 2y from the second equation to the other side of the equals sign

2x +3y = 13

x = 3 + 2y

From here substitute X into the first equation

2(3 + 2y) + 3y = 13

Distribute

6 + 4y +3y = 13

Combine like terms and solve for y

7y = 7

y = 1

insert result into the original equation.

x-2(1) = 3

x - 2 = 3

x = 5

insert into other equation to check work

2(5) + 3(1) = 13

10 + 3 = 13 correct

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