79-x=99-3x

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Solution for 79-x=99-3x equation: 



79-x=99-3x

We move all terms to the left:

79-x-(99-3x)=0

We add all the numbers together, and all the variables

-x-(-3x+99)+79=0

We add all the numbers together, and all the variables

-1x-(-3x+99)+79=0

We get rid of parentheses

-1x+3x-99+79=0

We add all the numbers together, and all the variables

2x-20=0

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

2x=20

x=20/2

x=10

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