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2k-13+k=26
We simplify the equation to the form, which is simple to understand
2k-13+k=26
We move all terms containing k to the left and all other terms to the right.
+2k+1k=+26+13
We simplify left and right side of the equation.
+3k=+39
We divide both sides of the equation by 3 to get k.
k=13
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