0.4x+21=-1/5(8x-25)-2x

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Solution for 0.4x+21=-1/5(8x-25)-2x equation: 



0.4x+21=-1/5(8x-25)-2x

We move all terms to the left:

0.4x+21-(-1/5(8x-25)-2x)=0



Domain of the equation: 5(8x-25)-2x)!=0

x∈R



We multiply all the terms by the denominator


(0.4x)*5(8x-25)-2x)-(+21*5(8x-25)-2x)-1=0

We add all the numbers together, and all the variables

(+0.4x)*5(8x-25)-2x)-(+21*5(8x-25)-2x)-1=0

Wy multiply elements

(+0.4x)*5(8x-25)-2x)-(+105x(8-2x)-1=0

We add all the numbers together, and all the variables

(+0.4x)*5(8x-25)-2x)-(+105x(-2x+8)-1=0

We multiply parentheses

-210x^2+(+0.4x)*5(8x-25)-2x)-(+840x-1=0

We add all the numbers together, and all the variables

-210x^2+840x+(+0.4x)*5(8x-25)-2x)-(-1=0

We move all terms containing x to the left, all other terms to the right

-210x^2+840x+(+0.4x)*5(8x-25)-2x)-(=1

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