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Simplifying 2y + 4y * 7a = 0 Reorder the terms for easier multiplication: 2y + 4 * 7y * a = 0 Multiply 4 * 7 2y + 28y * a = 0 Multiply y * a 2y + 28ay = 0 Reorder the terms: 28ay + 2y = 0 Solving 28ay + 2y = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2y' to each side of the equation. 28ay + 2y + -2y = 0 + -2y Combine like terms: 2y + -2y = 0 28ay + 0 = 0 + -2y 28ay = 0 + -2y Remove the zero: 28ay = -2y Divide each side by '28y'. a = -0.07142857143 Simplifying a = -0.07142857143
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