7(x+20)=2+15(x-2)

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Solution for 7(x+20)=2+15(x-2) equation: 



7(x+20)=2+15(x-2)

We move all terms to the left:

7(x+20)-(2+15(x-2))=0

We multiply parentheses

7x-(2+15(x-2))+140=0



We calculate terms in parentheses: -(2+15(x-2)), so:

2+15(x-2)

determiningTheFunctionDomain
15(x-2)+2

We multiply parentheses

15x-30+2

We add all the numbers together, and all the variables

15x-28

Back to the equation:

-(15x-28)



We get rid of parentheses

7x-15x+28+140=0

We add all the numbers together, and all the variables

-8x+168=0

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

-8x=-168

x=-168/-8

x=+21

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