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

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



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

We move all terms to the left:

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


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



We calculate terms in parentheses: -(-1+21*5(8x-25)-2x), so:

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

determiningTheFunctionDomain
21*5(8x-25)-2x-1

We add all the numbers together, and all the variables

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

Wy multiply elements

-2x+105x(8-1

Back to the equation:

-(-2x+105x(8-1)



We add all the numbers together, and all the variables

-(-2x+105x7=0

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