Solve the following equation
n+2=21
Solve for n
n + 2 = 21
Group constants
Group our constants 2 and 21.
subtract 2 from both sides
n + 2 - 2 = 21 - 2
Cancel 2 on the left side:
n = 19
Final Answer
n = 19
Solve the following equation
n+2=21
Solve for n
n + 2 = 21
Group our constants 2 and 21.
subtract 2 from both sides
n + 2 - 2 = 21 - 2
n = 19
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