XxCardib XxCardib

02-02-2018
Mathematics

contestada

7 (x + 4) = 8x + 31 Solve the following please

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emily403 emily403

02-02-2018

7x + 28 = 8x + 31
-3 =x

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fsebastian7683 fsebastian7683

02-02-2018

Substitution=7x + 28 = 8x +31
7x-8x=31-28
-1x=3
x=-3

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