(3x+5)=7x-15

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Solution for (3x+5)=7x-15 equation: 



(3x+5)=7x-15

We move all terms to the left:

(3x+5)-(7x-15)=0

We get rid of parentheses

3x-7x+5+15=0

We add all the numbers together, and all the variables

-4x+20=0

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

-4x=-20

x=-20/-4

x=+5

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