An equation is formed of two equal expressions. The value of x and y can be written as x=y=3. Therefore, the value of x and y is equal to 3.
An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
Given the two the system of equations as follows,
y = x
2x + 3y = 15
Now, if we substitute the value of y from the first equation in the second, then we can write,
2x + 3y = 15
2x + 3x = 15
5x = 15
x = 15/5
x = 3
Therefore, the value of x and y can be written as x=y=3.
Learn more about Equation here:
https://brainly.com/question/14686792
#SPJ1