Question #17602
3 Answers
Use the elimination or substitution methods
Explanation:
Here I would use the elimination method and get rid of the y variable. The first equation can be multiplied by 3 to make the equation
Then add the two equations together to get rid of the y variable and solve for the
Plug in for
Double check by plugging in both solutions
The answer is (7, -8)
Explanation:
Let's procede finding the x of the second equation:
Now we can substitute the x that we found in the first equation:
Now let's substitute
Final result:
Have a look at https://socratic.org/help/symbols Note the hash symbols at the beginning and end of the entered text.
Explanation:
Given:
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I choose
Substitute for