Question 810266: use the method of substitution to solve the system of leanear equations
2x-y=8
7x-3y=28
what is the solution?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! 2x - y = 8
7x - 3y = 28
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2x - y = 8
2x - 8 = y
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7x - 3y = 28
7x - 3(2x - 8) = 28
7x - 6x + 24 = 28
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x = 4
y = 0
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