13=3+10
so it is now
3+10-7
we know that 10-7=3 so we now have
3+3=6
tada
Answer:
(4,-3)
Step-by-step explanation:
Multiplying the bottom equation by -6, we get -6x+12y=-60.
Adding this to the first equation gives 15y=-45, and thus y=-3.
So, it follows that 6x+3(-3)=15, and thus x=4.
Answer:
n+3
Step-by-step explanation: