14x+13x=20x-21

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Solution for 14x+13x=20x-21 equation: 



14x+13x=20x-21

We move all terms to the left:

14x+13x-(20x-21)=0

We add all the numbers together, and all the variables

27x-(20x-21)=0

We get rid of parentheses

27x-20x+21=0

We add all the numbers together, and all the variables

7x+21=0

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

7x=-21

x=-21/7

x=-3

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