kvalencia00 kvalencia00

06-10-2020
Mathematics

contestada

According to the system of equations above, what is
the value of x ?
Need someone to explain how to do it

According to the system of equations above what is the value of x Need someone to explain how to do it class=

Respuesta :

Tolunimi Tolunimi

06-10-2020

Answer:

7

Step-by-step explanation:

try substituting

crossmultyply

x=-9-y

substituting

-9-y=-25+9

y=16

substituting

pick one of the equations

x+y=-9

x-16=-9

x=-9+16

x=7

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