7a-2=19

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Solution for 7a-2=19 equation:



7a-2=19
We move all terms to the left:
7a-2-(19)=0
We add all the numbers together, and all the variables
7a-21=0
We move all terms containing a to the left, all other terms to the right
7a=21
a=21/7
a=3

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