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Solve for y: 2x^2+2y=4x+2x^2-7. Show your work

User Moskie
by
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2 Answers

11 votes

2x² + 2y = 4x + 2x² - 7

4x + 2y = 4x + 2x² - 7

4x + 2y = 4x + 4x - 7

4x+2y=8x-7

2y = 4x - 7

User Bhaumik Pandhi
by
4.3k points
5 votes

Answer:

y = 2x - 3.5

Explanation:

2x² + 2y = 4x + 2x² - 7

2y = 4x + 2x² - 7 - 2x²

2y = 4x - 7

y = (4x - 7) / 2

y = 2x - 3.5

User Lorenzo Conserva
by
4.8k points