1/2x+1/4x=x-7

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Solution for 1/2x+1/4x=x-7 equation: 



1/2x+1/4x=x-7

We move all terms to the left:

1/2x+1/4x-(x-7)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R





Domain of the equation: 4x!=0

x!=0/4

x!=0

x∈R



We get rid of parentheses

1/2x+1/4x-x+7=0

We calculate fractions


-x+4x/8x^2+2x/8x^2+7=0

We add all the numbers together, and all the variables

-1x+4x/8x^2+2x/8x^2+7=0

We multiply all the terms by the denominator


-1x*8x^2+4x+2x+7*8x^2=0

We add all the numbers together, and all the variables

6x-1x*8x^2+7*8x^2=0

Wy multiply elements

-8x^3+56x^2+6x=0

We do not support expression: x^3

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