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2(4a-7)-3a=19-6a
We move all terms to the left:
2(4a-7)-3a-(19-6a)=0
We add all the numbers together, and all the variables
2(4a-7)-3a-(-6a+19)=0
We add all the numbers together, and all the variables
-3a+2(4a-7)-(-6a+19)=0
We multiply parentheses
-3a+8a-(-6a+19)-14=0
We get rid of parentheses
-3a+8a+6a-19-14=0
We add all the numbers together, and all the variables
11a-33=0
We move all terms containing a to the left, all other terms to the right
11a=33
a=33/11
a=3
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