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Simplifying 21 + 5y = 8x Solving 21 + 5y = 8x Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + 5y = -21 + 8x Combine like terms: 21 + -21 = 0 0 + 5y = -21 + 8x 5y = -21 + 8x Divide each side by '5'. y = -4.2 + 1.6x Simplifying y = -4.2 + 1.6x
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