Answer:
x = 2, y = 1
Step-by-step explanation:
x + 4y = 6 and y = 3 - x have to be rearranged: x + 4y = 6 and x + y = 3
You subtract the equations to eliminate one of the variables (x) so that the other can be found
It's D the comunicative property of addition
Answer: point C
Step-by-step explanation: the square root of 68 is 8.246and it keeps going with other digits
Step-by-step explanation:
since what ? there is nothing here.
Answer: 900
Step-by-step explanation: