4x-40=7x

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Solution for 4x-40=7x equation: 



4x-40=7x

We move all terms to the left:

4x-40-(7x)=0

We add all the numbers together, and all the variables

-3x-40=0

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

-3x=40

x=40/-3

x=-13+1/3

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