Question 629018: Need help. Use the method of substitution to solve the system of linear equations. 2x-y=8 9x-4y=36.
Can you please show work. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Use the method of substitution to solve the system of linear equations.
2x-y=8
9x-4y=36.
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Solve the 1st equation for "y":
y = 2x-8
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Substitute for "y" and solve for "x":
9x - 4(2x-8) = 36
9x - 8x + 32 = 36
x = 4
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Solve for "y":
y = 2x-8
y = 2*4-8
y = 0
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Cheers,
Stan H.
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