x-4=9-7x

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Solution for x-4=9-7x equation: 



x-4=9-7x

We move all terms to the left:

x-4-(9-7x)=0

We add all the numbers together, and all the variables

x-(-7x+9)-4=0

We get rid of parentheses

x+7x-9-4=0

We add all the numbers together, and all the variables

8x-13=0

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

8x=13

x=13/8

x=1+5/8

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