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1.2(k+2.1)=5.4
We move all terms to the left:
1.2(k+2.1)-(5.4)=0
We add all the numbers together, and all the variables
1.2(k+2.1)-5.4=0
We multiply parentheses
1.2k+2.52-5.4=0
We add all the numbers together, and all the variables
1.2k-2.88=0
We move all terms containing k to the left, all other terms to the right
1.2k=2.88
k=2.88/1.2
k=2+0.48/1.2
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