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3/4x + 4/7y = 5/4x -1...solve for y​

User Kristian
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1 Answer

21 votes
21 votes

Answer:


(3)/(4) x + (4)/(7) y = (5)/(4) x - 1 \\ (4)/(7) y = (5)/(4) x - 1 - (3)/(4) x \\ \\ (4)/(7) y = (5x - 4 - 3x)/(4) \\ (4)/(7) y = (2x - 4)/(4) \\ \\ y = (2x - 4)/(4) / (4)/(7) \\ y = (2x - 4)/(4) * (7)/(4) \\ \\ y = (14x - 28)/(16) \\ \\ y = (14x)/(16) - (28)/(16)

I hope I helped you^_^

User Mravey
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