3(4-5x)=3(2x+1)

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Solution for 3(4-5x)=3(2x+1) equation: 



3(4-5x)=3(2x+1)

We move all terms to the left:

3(4-5x)-(3(2x+1))=0

We add all the numbers together, and all the variables

3(-5x+4)-(3(2x+1))=0

We multiply parentheses

-15x-(3(2x+1))+12=0



We calculate terms in parentheses: -(3(2x+1)), so:

3(2x+1)

We multiply parentheses

6x+3

Back to the equation:

-(6x+3)



We get rid of parentheses

-15x-6x-3+12=0

We add all the numbers together, and all the variables

-21x+9=0

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

-21x=-9

x=-9/-21

x=3/7

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