X+y = 12
x-y = 3
x = 3+y
Substitute it in 1st equation,
3+y+y=12
2y = 9
y = 4.5
Substitute it in 1st eq.,
x = 12-4.5 = 7.5
So, the two numbers are 7.5 & 4.5
Hope this helps!
Answer:
i think the answer is 7^3
Step-by-step explanation:
when dividing numbers with exponents, you just subtract the smaller exponent from the larger one
pls tell me if im wrong
