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4a-49=a/2
We move all terms to the left:
4a-49-(a/2)=0
We add all the numbers together, and all the variables
4a-(+a/2)-49=0
We get rid of parentheses
4a-a/2-49=0
We multiply all the terms by the denominator
4a*2-a-49*2=0
We add all the numbers together, and all the variables
-1a+4a*2-98=0
Wy multiply elements
-1a+8a-98=0
We add all the numbers together, and all the variables
7a-98=0
We move all terms containing a to the left, all other terms to the right
7a=98
a=98/7
a=14
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