7a+4a=18

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Solution for 7a+4a=18 equation:



7a+4a=18
We move all terms to the left:
7a+4a-(18)=0
We add all the numbers together, and all the variables
11a-18=0
We move all terms containing a to the left, all other terms to the right
11a=18
a=18/11
a=1+7/11

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