SOLUTION: how to solve a system by substitution? example : y= 5x - 19 and y= 2x - 10

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Question 465318: how to solve a system by substitution?
example : y= 5x - 19 and y= 2x - 10
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
how to solve a system by substitution?
example : y= 5x - 19 and y= 2x - 10
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Both expressions equal "y", so let them equal each other:
Equation:
5x-19 = 2x-10
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3x = 9
x = 3
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Solve for "y":
y = 2x-10
y = 6-10
y = -4
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Cheers,
Stan H.
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