13a-18=11a

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Solution for 13a-18=11a equation:



13a-18=11a
We move all terms to the left:
13a-18-(11a)=0
We add all the numbers together, and all the variables
2a-18=0
We move all terms containing a to the left, all other terms to the right
2a=18
a=18/2
a=9

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