Brotality Brotality

03-05-2018
Mathematics

contestada

Consider the following system of equations:

2x + 3y = 45
x + y =10

What is the x-value of the solution for this system?

Respuesta :

12478ilp 12478ilp

03-05-2018

Y=-x+10
2x+3(-x+10)=45
2x+-3x+30=45
2x+-3x=15
-x=15
X=15

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