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OpenStudy (anonymous):
Solve using row operations: x+2y=10; 3x+4y=8
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OpenStudy (anonymous):
Subtract 2 times the 2nd row from the 1st row to get: x + 0 = -12 0 + y = 11
OpenStudy (michele_laino):
please multiply both sides of your first equation, namely x+2y=10, by -3, first
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