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Simplifying 20x + 15y + 12z = 1 Solving 20x + 15y + 12z = 1 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15y' to each side of the equation. 20x + 15y + -15y + 12z = 1 + -15y Combine like terms: 15y + -15y = 0 20x + 0 + 12z = 1 + -15y 20x + 12z = 1 + -15y Add '-12z' to each side of the equation. 20x + 12z + -12z = 1 + -15y + -12z Combine like terms: 12z + -12z = 0 20x + 0 = 1 + -15y + -12z 20x = 1 + -15y + -12z Divide each side by '20'. x = 0.05 + -0.75y + -0.6z Simplifying x = 0.05 + -0.75y + -0.6z
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