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Simplifying 7y + (21 * 6) = 28 Multiply 21 * 6 7y + (126) = 28 7y + 126 = 28 Reorder the terms: 126 + 7y = 28 Solving 126 + 7y = 28 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-126' to each side of the equation. 126 + -126 + 7y = 28 + -126 Combine like terms: 126 + -126 = 0 0 + 7y = 28 + -126 7y = 28 + -126 Combine like terms: 28 + -126 = -98 7y = -98 Divide each side by '7'. y = -14 Simplifying y = -14
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