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3.2(a-6.7)=1.3
We move all terms to the left:
3.2(a-6.7)-(1.3)=0
We add all the numbers together, and all the variables
3.2(a-6.7)-1.3=0
We multiply parentheses
3.2a-21.44-1.3=0
We add all the numbers together, and all the variables
3.2a-22.74=0
We move all terms containing a to the left, all other terms to the right
3.2a=22.74
a=22.74/3.2
a=7+0.34/3.2
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