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OpenStudy (anonymous):
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140
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OpenStudy (anonymous):
2x + 10y = 58 (multiply by 7) -14x + 8y = 140 14x + 70y = 406 -14x + 8y = 140 (x cancels out) 78y = 546 y = 7 plug 7 into any of the original equations to give you the value of x, and your done
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