Answer:
x+3
Step-by-step explanation:
21=7x3. Hence answer is 3
Answer:
yea
Step-by-step explanation:
How do you want this solved?
The answer is 650 because 100 * 5 = 500 and 50 * 3 = 150 and 500 + 150 = 650
U set ST and SR equal
7x + 24 = 115
7x = 91
x = 13