200-(-2) is actually 200-1(-2)
So thats multiplication
Then its 200+2
So addition is the last calculation to be done.
Answer:
x = 5/2,2
Step-by-step explanation:
Answer:
x = 8 and y = 5
Step-by-step explanation:
2x - 3y = 1 --(1)
x + 2y = 18
x = 18 - 2y --(2)
sub (2) into (1):
2(18 - 2y) - 3y = 1
36 - 4y - 3y = 1
-7y = 1 -36
7y = 35
y = 5
x = 18 - 2(5) = 8