-21=13/2(x-0)

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Solution for -21=13/2(x-0) equation: 



-21=13/2(x-0)

We move all terms to the left:

-21-(13/2(x-0))=0



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

x∈R



We add all the numbers together, and all the variables

-(13/2(+x))-21=0

We multiply all the terms by the denominator


-(13-21*2(+x))=0



We calculate terms in parentheses: -(13-21*2(+x)), so:

13-21*2(+x)

determiningTheFunctionDomain
-21*2(+x)+13

Wy multiply elements

-42x(++13

We use the square of the difference formula

-42x(+13

Back to the equation:

-(-42x(+13)



We add all the numbers together, and all the variables

-(-42x13=0

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