+8y and -8y cross out.
So the first one is 3x=15
Second one is 2x=10
x=5
Then plug x is one of the equations
2(5)-8y=10
10-8y=10
x=5
y=0
Answer:
a polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal figure.
Step-by-step explanation:
For 27,the temp and time increase