0.9=k(0.4)

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Solution for 0.9=k(0.4) equation:



0.9=k(0.4)
We move all terms to the left:
0.9-(k(0.4))=0
We calculate terms in parentheses: -(k(0.4)), so:
k(0.4)
We multiply parentheses
0.4k
Back to the equation:
-(0.4k)
We add all the numbers together, and all the variables
-(+0.4k)+0.9=0
We get rid of parentheses
-0.4k+0.9=0
We move all terms containing k to the left, all other terms to the right
-0.4k=-0.9
k=-0.9/-0.4
k=2+0.1/0.4

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