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0.75(2a+1)-0.25(3+3a)=2
We move all terms to the left:
0.75(2a+1)-0.25(3+3a)-(2)=0
We add all the numbers together, and all the variables
0.75(2a+1)-0.25(3a+3)-2=0
We multiply parentheses
1.5a-0.75a+0.75-0.75-2=0
We add all the numbers together, and all the variables
0.75a-2=0
We move all terms containing a to the left, all other terms to the right
0.75a=2
a=2/0.75
a=2+0.5/0.75
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