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8k+1=4k+9
We simplify the equation to the form, which is simple to understand
8k+1=4k+9
We move all terms containing k to the left and all other terms to the right.
+8k-4k=+9-1
We simplify left and right side of the equation.
+4k=+8
We divide both sides of the equation by 4 to get k.
k=2
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