20x-(7x-5)=57

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Solution for 20x-(7x-5)=57 equation: 



20x-(7x-5)=57

We move all terms to the left:

20x-(7x-5)-(57)=0

We get rid of parentheses

20x-7x+5-57=0

We add all the numbers together, and all the variables

13x-52=0

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

13x=52

x=52/13

x=4

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