0.75a+3=-9

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Solution for 0.75a+3=-9 equation: 



0.75a+3=-9

We move all terms to the left:

0.75a+3-(-9)=0

We add all the numbers together, and all the variables

0.75a+12=0

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

0.75a=-12

a=-12/0.75

a=-16

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