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OpenStudy (anonymous):
X + y = 4 X - 4 = y/2
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OpenStudy (anonymous):
what r u trying to solve?
OpenStudy (anonymous):
Solving for x and y?
OpenStudy (radar):
Take that 2nd equation and multiply thru by 2, getting 2x -8 = y now rearrange it (using standard rules of algebra) 2x - y = 8 Now look at what you now have: x + y = 4 2x - y = 8 Now add those two and solve for x.
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