SOLUTION: I'm 46 years old and working on refreshing my skills. How do I solve this using the addition or subtraction method?
2x+y=18
2x-y=22
Thank You
2x+y=18 ...(1)
2x-y=22
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-> SOLUTION: I'm 46 years old and working on refreshing my skills. How do I solve this using the addition or subtraction method?
2x+y=18
2x-y=22
Thank You
2x+y=18 ...(1)
2x-y=22
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Question 459613: I'm 46 years old and working on refreshing my skills. How do I solve this using the addition or subtraction method?
2x+y=18
2x-y=22
Thank You
2x+y=18 ...(1)
2x-y=22 ...(2)
adding eq(1)and eq(2), we have
4x=40
x=10
again substracting eq(1)-eq(2)
2y=-4
y=-2
x=10 and y=-2 Answer by pallavi(12) (Show Source):
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