Answer:
Step-by-step explanation:
X=-3 because first substitute the value of y into the original equation -2x-3=x+6 then isolate the variables -2x-x=6+3 which is -3x=9 then we can divide x=9/-3 which =-3
Answer:
2 Sandwiches
Step-by-step explanation:

Answer:
2.25
Step-by-step explanation:
25% is a quarter
therefore a quarter of 9 is
0.25×9
=2.25

Step-by-step explanation:
yes