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8n+20=40+12
We simplify the equation to the form, which is simple to understand
8n+20=40+12
We move all terms containing n to the left and all other terms to the right.
+8n=+40+12-20
We simplify left and right side of the equation.
+8n=+32
We divide both sides of the equation by 8 to get n.
n=4
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