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Find the value of y when 7(x+y)= -8x- y and x=8

Find the value of y when 7(x+y)= -8x- y and x=8
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Find the value of y when 7(x+y)= -8x- y and x=8

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User Kwinnie Navarro
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1 Answer

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7(x+y)=-8x-y
7(8+y)=-8(8)-y
56+7y=-64-y
120+7y=-y
8y=20
y=-15
answered
User Zay Nields
by
8.3k points
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