SOLUTION: i need help on solving this problem 4x+7y=28, y=2x-14
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Question 222909: i need help on solving this problem 4x+7y=28, y=2x-14
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
4x+7y=28, y=2x-14
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Substitute for y and solve for "x":
4x + 7(2x-14) = 28
4x + 14x - 98 = 28
18x = 126
x = 7
============
Cheers,
Stan H.
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