SOLUTION: The sum of two numbers a and b is 12, and a is 5 more than b. What is the value of a ?

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Question 792576: The sum of two numbers a and b is 12, and a is 5 more than b. What is the value of a ?
Answer by harpazo(655) About Me  (Show Source):
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The sum of two numbers a and b is 12, and a is 5 more than b. What is the value of a ?
We have two equations in two variables, the variables a and b.
So, the first equation is a + b = 12.
The second equation is a = 5 + b.
Use the substitute method to find a.