3(10-x)=4x

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Solution for 3(10-x)=4x equation: 



3(10-x)=4x

We move all terms to the left:

3(10-x)-(4x)=0

We add all the numbers together, and all the variables

3(-1x+10)-4x=0

We add all the numbers together, and all the variables

-4x+3(-1x+10)=0

We multiply parentheses

-4x-3x+30=0

We add all the numbers together, and all the variables

-7x+30=0

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

-7x=-30

x=-30/-7

x=4+2/7

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