8+4(-2+7)=8+4(-2)+x(7)

what is the value of x in this equation? i know the answer can only be -2, 4, 7, or 8
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1 Answer

8 +4(7-2)=8+4(-2) +7x

8 +20=8-8 +7x

7x=28

x=28/7

x=4
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