SOLUTION: solve the system of x-2y=2 x+y=5

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Question 840875: solve the system of x-2y=2 x+y=5
Answer by hamsanash1981@gmail.com(151) About Me  (Show Source):
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x - 2y = 2 ---1
x + y = 5 ---2
multiplying equation 2 by 2
2x+2y = 10 ---3
solving equ 1 and 3
x - 2y = 2
2x + 2y = 10
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3x = 12
x= 4
then y = 5-4
y= 1
therefore x=4 and y = 1