What is the solution to the system of equations?

label Algebra
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Jun 24th, 2015

Thank you for the opportunity to help you with your question!

y + 3x  = -2

2y + 5x = 15

the second step you multiply the 1st equation by 5 and the second equation by 3 and subtract the 1st equation from the second equation

(y + 3x  = -2) 5

(2y + 5x = 15)3

you get

(5y+15x=-10) - (6y + 15x = 45)

-y=-55 therefore, y= 55

find x

y + 3x =  -2 and y=55

55 + 3x =  -2

3x = -57

x=-19

y=55

ans (x,y) = (55, -19)






Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 24th, 2015

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