3+4x=7-5x=66-7x

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Solution for 3+4x=7-5x=66-7x equation: 



3+4x=7-5x=66-7x

We move all terms to the left:

3+4x-(7-5x)=0

We add all the numbers together, and all the variables

4x-(-5x+7)+3=0

We get rid of parentheses

4x+5x-7+3=0

We add all the numbers together, and all the variables

9x-4=0

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

9x=4

x=4/9

x=4/9

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