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k/9=63/81
We simplify the equation to the form, which is simple to understand
k/9=63/81
Simplifying:
+ 0.111111111111k=63/81
Simplifying:
+ 0.111111111111k=0.777777777778
We move all terms containing k to the left and all other terms to the right.
+ 0.111111111111k=0.777777777778
We simplify left and right side of the equation.
+ 0.111111111111k=0.777777777778
We divide both sides of the equation by 0.111111111111 to get k.
k=7
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