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Simplifying 1.7X + 3.2y + 3.3z + -1(x + y + z) = 50 1.7X + 3.2y + 3.3z + (x * -1 + y * -1 + z * -1) = 50 1.7X + 3.2y + 3.3z + (-1x + -1y + -1z) = 50 Reorder the terms: 1.7X + -1x + 3.2y + -1y + 3.3z + -1z = 50 Combine like terms: 3.2y + -1y = 2.2y 1.7X + -1x + 2.2y + 3.3z + -1z = 50 Combine like terms: 3.3z + -1z = 2.3z 1.7X + -1x + 2.2y + 2.3z = 50 Solving 1.7X + -1x + 2.2y + 2.3z = 50 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. 1.7X + -1x + 2.2y + x + 2.3z = 50 + x Reorder the terms: 1.7X + -1x + x + 2.2y + 2.3z = 50 + x Combine like terms: -1x + x = 0 1.7X + 0 + 2.2y + 2.3z = 50 + x 1.7X + 2.2y + 2.3z = 50 + x Add '-2.2y' to each side of the equation. 1.7X + 2.2y + -2.2y + 2.3z = 50 + x + -2.2y Combine like terms: 2.2y + -2.2y = 0.0 1.7X + 0.0 + 2.3z = 50 + x + -2.2y 1.7X + 2.3z = 50 + x + -2.2y Add '-2.3z' to each side of the equation. 1.7X + 2.3z + -2.3z = 50 + x + -2.2y + -2.3z Combine like terms: 2.3z + -2.3z = 0.0 1.7X + 0.0 = 50 + x + -2.2y + -2.3z 1.7X = 50 + x + -2.2y + -2.3z Divide each side by '1.7'. X = 29.41176471 + 0.5882352941x + -1.294117647y + -1.352941176z Simplifying X = 29.41176471 + 0.5882352941x + -1.294117647y + -1.352941176z
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