alostfreshman alostfreshman

28-08-2016
Mathematics

contestada

3x/4=x+8/12 PLEASE SOMEONE HELP

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dalendrk dalendrk

28-08-2016

[tex]\dfrac{3x}{4}=\dfrac{x+8}{12}\ \ \ \ |cross\ multiply\\\\3x\cdot12=4(x+8)\\\\36x=4x+32\ \ \ \ \ \ |subtract\ 4x\ from\ both\ sides\\\\32x=32\ \ \ \ \ |divide\ both\ sides\ by\ 32\\\\\boxed{x=1}[/tex]

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