-3(2x+4)+7(3x+6)=75

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Solution for -3(2x+4)+7(3x+6)=75 equation: 



-3(2x+4)+7(3x+6)=75

We move all terms to the left:

-3(2x+4)+7(3x+6)-(75)=0

We multiply parentheses

-6x+21x-12+42-75=0

We add all the numbers together, and all the variables

15x-45=0

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

15x=45

x=45/15

x=3

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