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.3(9k-3)=4k
We move all terms to the left:
.3(9k-3)-(4k)=0
We add all the numbers together, and all the variables
-4k+.3(9k-3)=0
We multiply parentheses
-4k+2.7k-0.9=0
We add all the numbers together, and all the variables
-1.3k-0.9=0
We move all terms containing k to the left, all other terms to the right
-1.3k=0.9
k=0.9/-1.3
k=-0.9/1.3
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