Mathematics, 20.09.2019 01:40, tony4561

7x+2y=-48, i have to solve for either x or y. then, i have to solve -7x+y=60 for the remainding variable, someone !

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7x+2y=-48, i have to solve for either x or y. then, i have to solve -7x+y=60 for the remainding vari...