2x+5x=3(3x-10)

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Solution for 2x+5x=3(3x-10) equation: 



2x+5x=3(3x-10)

We move all terms to the left:

2x+5x-(3(3x-10))=0

We add all the numbers together, and all the variables

7x-(3(3x-10))=0



We calculate terms in parentheses: -(3(3x-10)), so:

3(3x-10)

We multiply parentheses

9x-30

Back to the equation:

-(9x-30)



We get rid of parentheses

7x-9x+30=0

We add all the numbers together, and all the variables

-2x+30=0

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

-2x=-30

x=-30/-2

x=+15

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