SOLUTION: use the method of substitution to solve the system of linear equations?
2x-y=8
7x-3y=27
the solution is _______(type an ordered pair)
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Question 760649: use the method of substitution to solve the system of linear equations?
2x-y=8
7x-3y=27
the solution is _______(type an ordered pair)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
2x-y=8
7x-3y=27
the solution is _______(type an ordered pair)
====================
y = 2x-8
-------
Substitute and solve for "x":
7x - 3(2x-8) = 27
7x - 6x + 24 = 27
x = 3
-----
Solve for "y":
y = 2x-8
y = 2*3-8
y = -2
==========
Cheers,
Stan H.
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