6n-15=n
minus n both sides
5n-15=0
add 15 both sides
5n=15
divide both sides by 5
n=3
de number is 3
Answer:
Solve the following system for x and y:
{2 x + 53 = 53, 8 x + 3 = 42}
Check whether x and y are present in the given system:
Answer: The variable y is not present. Therefore its value cannot be determined.
Step-by-step explanation:
Answer:
im pretty sure thae answer is b
Step-by-step explanation: