Solve the following equation
n+39=40n
Solve for n
n + 39 = 40n
Group our variables n and 40n subtract 40n from both sides
n + 39 - 40n = 40n - 40n
-39n + 39 = 0
Group our constants 39 and 0. subtract 39 from both sides
-39n + 39 - 39 = 0 - 39
-39n = -39
n = 1
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