-3(2x-6)+7(x-10)=-42-3

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Solution for -3(2x-6)+7(x-10)=-42-3 equation: 



-3(2x-6)+7(x-10)=-42-3

We move all terms to the left:

-3(2x-6)+7(x-10)-(-42-3)=0

We add all the numbers together, and all the variables

-3(2x-6)+7(x-10)-(-45)=0

We add all the numbers together, and all the variables

-3(2x-6)+7(x-10)+45=0

We multiply parentheses

-6x+7x+18-70+45=0

We add all the numbers together, and all the variables

x-7=0

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

x=7

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