Answer: The error is that 9 is a composite number. The correct answer is 27= 3 x 3 x 3
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
x - 3 = y
Answer:
y=5/4x-3/2
Step-by-step explanation:
5x+1=4y+7
4y=5x+1-7
4y=5x-6
y=5/4x-6/4
y=5/4x-3/2