a*3=-3

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Solution for a*3=-3 equation: 



a*3=-3

We move all terms to the left:

a*3-(-3)=0

We add all the numbers together, and all the variables

a*3+3=0

Wy multiply elements

3a+3=0

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

3a=-3

a=-3/3

a=-1

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