13=-9/4x+4

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Solution for 13=-9/4x+4 equation: 



13=-9/4x+4

We move all terms to the left:

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



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

x∈R



We get rid of parentheses

9/4x-4+13=0

We multiply all the terms by the denominator


-4*4x+13*4x+9=0

Wy multiply elements

-16x+52x+9=0

We add all the numbers together, and all the variables

36x+9=0

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

36x=-9

x=-9/36

x=-1/4

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