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Answer:
x=1 y = -1/2
(1,-1/2)
Step-by-step explanation:
7x-2y=8
5x+2y=4
I would use elimination since we have 2y in one equation and -2y in the other
7x-2y=8
5x+2y=4
--------------------
12x = 12
Divide each side by 12
12x/12 = 12/12
x =1
The substitute back into equation 2
5(1) +2y = 4
5 +2y = 4
Subtract 5
5-5+2y = 4-5
2y = -1
Divide by 2
2y/2 = -1/2
y = -1/2
Answer: C (-7/18)
Step-by-step explanation: you flip the denominator and numerator and keep the negative
Answer:
Greater. (30)
Step-by-step explanation:
Simplest way to find out is divide.
Flip 5/6 and multiply.
25 x 6 = 150
150 / 5 = 30
Answer:
none
Step-by-step explanation:
