3x=4(x-2.50)

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Solution for 3x=4(x-2.50) equation: 



3x=4(x-2.50)

We move all terms to the left:

3x-(4(x-2.50))=0

We add all the numbers together, and all the variables

3x-(4(x-2.5))=0



We calculate terms in parentheses: -(4(x-2.5)), so:

4(x-2.5)

We multiply parentheses

4x-10

Back to the equation:

-(4x-10)



We get rid of parentheses

3x-4x+10=0

We add all the numbers together, and all the variables

-1x+10=0

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

-x=-10

x=-10/-1

x=+10

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