Carol H. answered • 03/18/18
Tutor
4.9
(285)
Masters' Degree in Mathematics with 35 Years of Teaching Experience
4x - 3y = 19 Multiply this equation by 7.
7y = -30 - 5x 5x + 7y = -30 Multiply this equation by 3.
28x - 21y = 133
15x + 21y = -90
43x = 43
x = 1
4(1) - 3y = 19
4 - 3y = 19
-3y = 15
y = -5
