11+15u=(-7)+13u

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Solution for 11+15u=(-7)+13u equation: 



11+15u=(-7)+13u

We move all terms to the left:

11+15u-((-7)+13u)=0



We calculate terms in parentheses: -((-7)+13u), so:

(-7)+13u

determiningTheFunctionDomain
13u+(-7)

We add all the numbers together, and all the variables

13u-7

Back to the equation:

-(13u-7)



We get rid of parentheses

15u-13u+7+11=0

We add all the numbers together, and all the variables

2u+18=0

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

2u=-18

u=-18/2

u=-9

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