BEDMAS
Brackets
exponents
division & multiplication }
addition & subtraction} -these 2 last ones can be done interchangably or from left to right
Answer:
y=-3
Step-by-step explanation:
5x+7y=-31
(-) 5x-9y+17
-----------------
16y=-48
------------
16 16
y=-3
Answer: Question 1
a)5.47
b)4.53
Step-by-step explanation:
Answer:
7
Step-by-step explanation: