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OpenStudy (anonymous):
Solve the following system of linear equations algebraically for all values of x and y: -14=-20y-7x 10y+4=2x
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OpenStudy (neer2890):
-7x-20y=-14 2x-10y=4 multiply 2nd equation by 2 and subtract from 1st. solve for x put the value of x in any equation and find y.
OpenStudy (anonymous):
7x+20y=14 4x-20y=8 11x=22 x=2 &y=(2*2-4)/10=0 so x=2 &y=0
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