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-7-3a=1-49
We move all terms to the left:
-7-3a-(1-49)=0
We add all the numbers together, and all the variables
-3a-7-(-48)=0
We add all the numbers together, and all the variables
-3a+41=0
We move all terms containing a to the left, all other terms to the right
-3a=-41
a=-41/-3
a=13+2/3
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