Solve the system of equations using substitution y=2x-10 y=4x-8 please help!!!!!!!!!!!

QUESTION POSTED AT 28/05/2020 - 11:23 PM

Answered by admin AT 28/05/2020 - 11:23 PM

Y = 2x - 10
y = 4x - 8

2x - 10 = 4x - 8
2x - 4x = -8 + 10
-2x = 2
x = -2/2
x = -1

y = 4x - 8
y = 4(-1) - 8
y = -4 - 8
y = -12

solution is (-1,-12)
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