3x+450=-3x-450

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Solution for 3x+450=-3x-450 equation: 



3x+450=-3x-450

We move all terms to the left:

3x+450-(-3x-450)=0

We get rid of parentheses

3x+3x+450+450=0

We add all the numbers together, and all the variables

6x+900=0

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

6x=-900

x=-900/6

x=-150

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