Please help me solve the system of equations y=2x-10 and x-y=7

asked Sep 20, 2016 155k views

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y = 2x - 10
x - y = 7
x - (2x - 10) = 7
-x - 10 = 7
+ 10 + 10
-x = 17
x = -17
-17 + y = 7
+ 17 + 17
y = 24
(x, y) = (-17, 24)

SYN answered Sep 26, 2016

by SYN

9.1k points

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