You can put this solution on YOUR website! x-y=11
2x+y=19
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solve for x
x-y=11
x = 11 + y
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plug this into the second equation
2(11+y) + y = 19
22 + 2y + y = 19
22 + 3y = 19
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isolate y
3y = 19 - 22
3y = -3
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plug y back into the first equation to solve for x
x = 11 + -1 =
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