7x+3(x+5)=45+4x

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Solution for 7x+3(x+5)=45+4x equation: 



7x+3(x+5)=45+4x

We move all terms to the left:

7x+3(x+5)-(45+4x)=0

We add all the numbers together, and all the variables

7x+3(x+5)-(4x+45)=0

We multiply parentheses

7x+3x-(4x+45)+15=0

We get rid of parentheses

7x+3x-4x-45+15=0

We add all the numbers together, and all the variables

6x-30=0

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

6x=30

x=30/6

x=5

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