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Please Help I am not good with linear equations and need help with a clear written explanation on how you solve for x&y 3x+4y=120 2x+1y=60

Please Help I am not good with linear equations and need help with a clear written explanation on how you solve for x&y

3x+4y=120

2x+1y=60 how do you get x and y also how do you graph them ???

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