crystalsandoval crystalsandoval

17-10-2016
Mathematics

contestada

What is the x-coordinate of the solution to the system?
2x−3y=−27
−3x+2y=23

a. −6−6

b. −3

c. 1

d. 5

Respuesta :

mikearnold1593 mikearnold1593

17-10-2016

I think it would be easiest to solve for x in this system of equations if you did so by elimination:
Start by finding the least common multiple of 3 and 2 to make the Ys cancel:
4x-6y=-54
-9x+6y=69
_________
-5x=15
x=-3 - answer B

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