7a-a-4=50

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Solution for 7a-a-4=50 equation:



7a-a-4=50
We move all terms to the left:
7a-a-4-(50)=0
We add all the numbers together, and all the variables
6a-54=0
We move all terms containing a to the left, all other terms to the right
6a=54
a=54/6
a=9

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