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k-3-7=10
We simplify the equation to the form, which is simple to understand
k-3-7=10
We move all terms containing k to the left and all other terms to the right.
+1k=+10+3+7
We simplify left and right side of the equation.
+1k=+20
We divide both sides of the equation by 1 to get k.
k=20
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