-5 ÷w=?
Answer the rest on your own but I just set it up for you.
10:12 pm
6 hours before is 9pm
3/4=45/60
add 45+37=72-60=12=1+9=10:12
Answer:
73
Step-by-step explanation:
Original number: XY
x = 3y - 2
10y + x = (10x + y) / 2 + 1/2
substitution: 10y + 3y - 2 = 13y - 2 = (10 * (3y - 2) + y) / 2 + 1/2
* 2 both sides and simplify: 26y - 4 = 31y - 19
31y - 26y = -4 + 19
5y = 15
y = 3
x = 7
Original number: 73
