2+4(1-9k)=20.5

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Solution for 2+4(1-9k)=20.5 equation:



2+4(1-9k)=20.5
We move all terms to the left:
2+4(1-9k)-(20.5)=0
We add all the numbers together, and all the variables
4(-9k+1)+2-(20.5)=0
We add all the numbers together, and all the variables
4(-9k+1)-18.5=0
We multiply parentheses
-36k+4-18.5=0
We add all the numbers together, and all the variables
-36k-14.5=0
We move all terms containing k to the left, all other terms to the right
-36k=14.5
k=14.5/-36
k=-5.8/14.4

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