0.004(7-k)+0.09(k-7)=1

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Solution for 0.004(7-k)+0.09(k-7)=1 equation:


0.004(7-k) + 0.09(k-7)=1

We simplify the equation to the form, which is simple to understand 
0.004(7-k) + 0.09(k-7)=1

Reorder the terms in parentheses
+( + 0.028-0.004k) + 0.09*(k-7)=1

Remove unnecessary parentheses
 + 0.028-0.004k + 0.09+*(+k-7+)=+1

Reorder the terms in parentheses
 + 0.028-0.004k+( + 0.09k-0.63)=1

Remove unnecessary parentheses
 + 0.028-0.004k + 0.09k-0.63=+1

We move all terms containing k to the left and all other terms to the right. 
-0.004k + 0.09k=+1-0.028 + 0.63

We simplify left and right side of the equation. 
 + 0.086k=+1.602

We divide both sides of the equation by 0.086 to get k. 
k=18.627906976744

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