7x=(2x+5)3

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Solution for 7x=(2x+5)3 equation: 



7x=(2x+5)3

We move all terms to the left:

7x-((2x+5)3)=0



We calculate terms in parentheses: -((2x+5)3), so:

(2x+5)3

We multiply parentheses

6x+15

Back to the equation:

-(6x+15)



We get rid of parentheses

7x-6x-15=0

We add all the numbers together, and all the variables

x-15=0

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

x=15

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