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Simplifying -3(4) + 7 = 2y Multiply -3 * 4 -12 + 7 = 2y Combine like terms: -12 + 7 = -5 -5 = 2y Solving -5 = 2y Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-2y' to each side of the equation. -5 + -2y = 2y + -2y Combine like terms: 2y + -2y = 0 -5 + -2y = 0 Add '5' to each side of the equation. -5 + 5 + -2y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2y = 0 + 5 -2y = 0 + 5 Combine like terms: 0 + 5 = 5 -2y = 5 Divide each side by '-2'. y = -2.5 Simplifying y = -2.5
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