31-08-2016
Mathematics

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solve each equation x+5=13+3x
please I need help thanks! ♡

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31-08-2016

x+5=13+3x

Okay. First subtract 5 from both sides.

x + 5 = 13 + 3x
-5 -5
___ __
0 8

x = 8 +3x

Subtract 3x on both sides. (The 3x's get cancelled on the right side.)

x -3x = 8
-2x=8

Divide -2 on each side.

-2x 8
___ = ___
-2 -2

x=-4

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