Answer:
$21
Step-by-step explanation:
A≈201.06 Do a google search
For this case we have the following system of equations:
We multiply the first equation by 2:
We have the following equivalent system:
We add the equations:
Equality is not fulfilled. For any value of "x" or "y" the system will have no solution.
Answer:
The system has no solution.
Answer:
one
Step-by-step explanation:
3x + 20 = 5x
20 = 5x - 3x
20 = 2x
x = 10
one solution