10a+4=12a-9

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Solution for 10a+4=12a-9 equation:



10a+4=12a-9
We move all terms to the left:
10a+4-(12a-9)=0
We get rid of parentheses
10a-12a+9+4=0
We add all the numbers together, and all the variables
-2a+13=0
We move all terms containing a to the left, all other terms to the right
-2a=-13
a=-13/-2
a=6+1/2

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