10(3x-3)=15(20-3x-3)

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Solution for 10(3x-3)=15(20-3x-3) equation: 



10(3x-3)=15(20-3x-3)

We move all terms to the left:

10(3x-3)-(15(20-3x-3))=0

We add all the numbers together, and all the variables

10(3x-3)-(15(-3x+17))=0

We multiply parentheses

30x-(15(-3x+17))-30=0



We calculate terms in parentheses: -(15(-3x+17)), so:

15(-3x+17)

We multiply parentheses

-45x+255

Back to the equation:

-(-45x+255)



We get rid of parentheses

30x+45x-255-30=0

We add all the numbers together, and all the variables

75x-285=0

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

75x=285

x=285/75

x=3+4/5

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