1/4(x+12)=21/4x=-10x=-40

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Solution for 1/4(x+12)=21/4x=-10x=-40 equation: 



1/4(x+12)=21/4x=-10x=-40

We move all terms to the left:

1/4(x+12)-(21/4x)=0



Domain of the equation: 4(x+12)!=0

x∈R





Domain of the equation: 4x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

1/4(x+12)-(+21/4x)=0

We get rid of parentheses

1/4(x+12)-21/4x=0

We calculate fractions


4x/(16x^2+192x)+(-84xx/(16x^2+192x)=0



We calculate terms in parentheses: +(-84xx/(16x^2+192x), so:

-84xx/(16x^2+192x

We multiply all the terms by the denominator


-84xx

Back to the equation:

+(-84xx)



We get rid of parentheses

4x/(16x^2+192x)-84xx=0

We multiply all the terms by the denominator


4x-84xx*(16x^2+192x)=0

We multiply parentheses

-1344x^3-16128x^2+4x=0

We do not support expression: x^3

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