Answer:
Im not sure but I think its -5
you can just look it up
Step-by-step explanation:
Answer:B
yes they are like terms
they are like terms as the variables are same 5<u>c</u>-4c+
3x + 6y = 36
+ 3x - 6y =0
------------------------
6x = 36
x = 36/6
x = 6
3(6) - 6y = 0
18 - 6y = 0
-6y = -18
y = 3
