7-x=4x-13

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Solution for 7-x=4x-13 equation: 



7-x=4x-13

We move all terms to the left:

7-x-(4x-13)=0

We add all the numbers together, and all the variables

-1x-(4x-13)+7=0

We get rid of parentheses

-1x-4x+13+7=0

We add all the numbers together, and all the variables

-5x+20=0

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

-5x=-20

x=-20/-5

x=+4

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