69+3x=3x-66-15x

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Solution for 69+3x=3x-66-15x equation: 



69+3x=3x-66-15x

We move all terms to the left:

69+3x-(3x-66-15x)=0

We add all the numbers together, and all the variables

3x-(-12x-66)+69=0

We get rid of parentheses

3x+12x+66+69=0

We add all the numbers together, and all the variables

15x+135=0

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

15x=-135

x=-135/15

x=-9

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