SOLUTION: solve the system by the substitution method x-2y=-3 y=-4x+24

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Question 383597: solve the system by the substitution method
x-2y=-3
y=-4x+24
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Substitute the second eq. into the first equation.
x-2%28-4x%2B24%29=-3
x%2B8x-48=-3
9x=45
highlight%28x=5%29
Then from the second equation,
y=-4%285%29%2B24
y=-20%2B24
highlight%28y=4%29