4x+15=20+(-1x)

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Solution for 4x+15=20+(-1x) equation: 



4x+15=20+(-1x)

We move all terms to the left:

4x+15-(20+(-1x))=0



We calculate terms in parentheses: -(20+(-1x)), so:

20+(-1x)

determiningTheFunctionDomain
(-1x)+20

We get rid of parentheses

-1x+20

Back to the equation:

-(-1x+20)



We get rid of parentheses

4x+1x-20+15=0

We add all the numbers together, and all the variables

5x-5=0

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

5x=5

x=5/5

x=1

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