nell1234565
28.10.2019 •
Mathematics
What is the solution of y=x-2 and y=-2x+7
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Ответ:
X = 3 , Y = 1
Step-by-step explanation:
Given equations are
Y = X - 2 ........ A
Y = -2X + 7 .....B
Put the value of Y from eq A to the eq B
∴ X - 2 = -2X + 7
Or, X + 2X = 7 + 2
Or, 3X = 9
Or, X =
∴ X = 3
Now to get the value of Y , put X value in any of above two Eq.
pu X value in Eq A
We get Y = X - 2
so, Y = 3-2
Y= 1
Hence X = 3 and Y = 1 Answer
Ответ:
A
Step-by-step explanation: