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Simplifying 2x + 7y = 2(2x + 10y) + -5x 2x + 7y = (2x * 2 + 10y * 2) + -5x 2x + 7y = (4x + 20y) + -5x Reorder the terms: 2x + 7y = 4x + -5x + 20y Combine like terms: 4x + -5x = -1x 2x + 7y = -1x + 20y Solving 2x + 7y = -1x + 20y Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add 'x' to each side of the equation. 2x + x + 7y = -1x + x + 20y Combine like terms: 2x + x = 3x 3x + 7y = -1x + x + 20y Combine like terms: -1x + x = 0 3x + 7y = 0 + 20y 3x + 7y = 20y Add '-7y' to each side of the equation. 3x + 7y + -7y = 20y + -7y Combine like terms: 7y + -7y = 0 3x + 0 = 20y + -7y 3x = 20y + -7y Combine like terms: 20y + -7y = 13y 3x = 13y Divide each side by '3'. x = 4.333333333y Simplifying x = 4.333333333y
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