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2.3(2.2a-3)=7.8
We move all terms to the left:
2.3(2.2a-3)-(7.8)=0
We add all the numbers together, and all the variables
2.3(2.2a-3)-7.8=0
We multiply parentheses
4.6a-6.9-7.8=0
We add all the numbers together, and all the variables
4.6a-14.7=0
We move all terms containing a to the left, all other terms to the right
4.6a=14.7
a=14.7/4.6
a=3+0.9/4.6
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