0.003(7-k)+0.09(k-4)=1

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Solution for 0.003(7-k)+0.09(k-4)=1 equation:


0.003(7-k) + 0.09(k-4)=1

We simplify the equation to the form, which is simple to understand 
0.003(7-k) + 0.09(k-4)=1

Reorder the terms in parentheses
+( + 0.021-0.003k) + 0.09*(k-4)=1

Remove unnecessary parentheses
 + 0.021-0.003k + 0.09+*(+k-4+)=+1

Reorder the terms in parentheses
 + 0.021-0.003k+( + 0.09k-0.36)=1

Remove unnecessary parentheses
 + 0.021-0.003k + 0.09k-0.36=+1

We move all terms containing k to the left and all other terms to the right. 
-0.003k + 0.09k=+1-0.021 + 0.36

We simplify left and right side of the equation. 
 + 0.087k=+1.339

We divide both sides of the equation by 0.087 to get k. 
k=15.390804597701

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