4(-3x+18.75)+69=-3(3+21x)

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Solution for 4(-3x+18.75)+69=-3(3+21x) equation: 



4(-3x+18.75)+69=-3(3+21x)

We move all terms to the left:

4(-3x+18.75)+69-(-3(3+21x))=0

We add all the numbers together, and all the variables

4(-3x+18.75)-(-3(21x+3))+69=0

We multiply parentheses

-12x-(-3(21x+3))+75+69=0



We calculate terms in parentheses: -(-3(21x+3)), so:

-3(21x+3)

We multiply parentheses

-63x-9

Back to the equation:

-(-63x-9)



We add all the numbers together, and all the variables

-12x-(-63x-9)+144=0

We get rid of parentheses

-12x+63x+9+144=0

We add all the numbers together, and all the variables

51x+153=0

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

51x=-153

x=-153/51

x=-3

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