13=8/7(4x+9)

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Solution for 13=8/7(4x+9) equation: 



13=8/7(4x+9)

We move all terms to the left:

13-(8/7(4x+9))=0



Domain of the equation: 7(4x+9))!=0

x∈R



We multiply all the terms by the denominator


-(8+13*7(4x+9))=0



We calculate terms in parentheses: -(8+13*7(4x+9)), so:

8+13*7(4x+9)

determiningTheFunctionDomain
13*7(4x+9)+8

Wy multiply elements

91x(4+8

Back to the equation:

-(91x(4+8)



We add all the numbers together, and all the variables

-(91x12=0

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