Answer:
Step-by-step explanation:
3mn (m+y)
= 3
n + 3mny
The easy thing to do is eliminate x by subtraction
x + 7y = 24
- x - 9y = -24
-------------------
16y = 48
now solve for y and then substitute the value into either original equation to find x
Answer:
It would be to the left of the whole equation.
Step-by-step explanation:
Simply the answer is 7 ounces :D