Answer:
x-y+16
Step-by-step explanation:
add the like terms, 6 and 10 which is 16. since the variables are not like terms, thats your final answer. hope it helped :)
y = x-4
you can put it in a calculator to be sure
Yes due to the fact that additive inverse is the oppsite. so she runs up +4 and runs down -4.
