How to solve this problem?
2x+y=3
-2+5y=-9
2x+y=3
-2+5y=-9
1 Answer
Explanation:
This is called a system of equations!
To solve this system of equations, we gonna use the substitution method.
So, we wanna solve
Start by adding
Then divide both sides by
Now we wanna use the value of
We gonna do that by substitute
What does that mean? It means that we gonna replace
#2x + (-7)/5 = 3
Now we can add
Divide both sides by
Thus,
The answers are: