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Simplifying -4y + -7 = -9y + 8 Reorder the terms: -7 + -4y = -9y + 8 Reorder the terms: -7 + -4y = 8 + -9y Solving -7 + -4y = 8 + -9y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '9y' to each side of the equation. -7 + -4y + 9y = 8 + -9y + 9y Combine like terms: -4y + 9y = 5y -7 + 5y = 8 + -9y + 9y Combine like terms: -9y + 9y = 0 -7 + 5y = 8 + 0 -7 + 5y = 8 Add '7' to each side of the equation. -7 + 7 + 5y = 8 + 7 Combine like terms: -7 + 7 = 0 0 + 5y = 8 + 7 5y = 8 + 7 Combine like terms: 8 + 7 = 15 5y = 15 Divide each side by '5'. y = 3 Simplifying y = 3
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