# Question #cb146

##### 2 Answers

11 and 1

#### Explanation:

Well, if

We'll use the substitution method.

Take the second equation,

So,

...substitute this into the first equation:

...subtract 10 from both sides:

now, substitute this back into either of the equations:

GOOD LUCK

#### Explanation:

There are a couple of ways to solve this problem.

**You can solve it by logic**

List all the pairs of numbers that add to 12 and find the pair whose difference is 10.

**Answer**

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**You can solve it by math**

Let

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**Answer**