Emma ran 3.86 miles yesterday. Today, she ran 3.82 miles. How far did Emma run all together? miles
2 answers:
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Answer:
x=2, y=3
Step-by-step explanation:
This is a <u>system of equations</u>.
To solve a system of equations, we use the substitution method.
We can plug in the first equation, , into the value for <em>x</em> in the second equation. Now, the second equation looks like this:
We simplify and solve for <em>y</em>:
→
→
→
Now, we plug in the value for <em>y</em>, which is 3, into either equation. I will just use the first equation:
→
→
Let me know if my explanation is unclear.
