C is the correct answer !!
Answer: the number is 3.
Step-by-step explanation:
(x × 10) + 6 = 36
[(3) × 10] + 6 = 36
Since he’s already at -15, if he writes a check for 7 then he’s subtracting more from his account.
So, -15-7=-22
Answer: x=9
Step-by-step explanation:
7x=2x+45
5x=45
x=9
