7x-4=20x-3x

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Solution for 7x-4=20x-3x equation: 



7x-4=20x-3x

We move all terms to the left:

7x-4-(20x-3x)=0

We add all the numbers together, and all the variables

7x-(+17x)-4=0

We get rid of parentheses

7x-17x-4=0

We add all the numbers together, and all the variables

-10x-4=0

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

-10x=4

x=4/-10

x=-2/5

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