3(x-5)=5x-21

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Solution for 3(x-5)=5x-21 equation: 



3(x-5)=5x-21

We move all terms to the left:

3(x-5)-(5x-21)=0

We multiply parentheses

3x-(5x-21)-15=0

We get rid of parentheses

3x-5x+21-15=0

We add all the numbers together, and all the variables

-2x+6=0

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

-2x=-6

x=-6/-2

x=+3

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