What is the y-value in the solution to this system of linear equations? 4x + 5y = −12 -2x + 3y = −16
4x + 5y = −12
-2x + 3y = −16
a.−4
b.−2
c.2
d.5
Patrick B.
answered 12/01/18
Math and computer tutor/teacher
4x + 5y = -12
-2x + 3y = -16
Multiplies the second equation by 2 and adds to the first....
11y = -44
y=-4
4x + 5(-4) = -12
4x + -20 = -12
4x = 8
x = 2
(2,-4)
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