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Simplifying 30 = (230 + -20) * 2Q Combine like terms: 230 + -20 = 210 30 = (210) * 2Q Multiply 210 * 2 30 = 420Q Solving 30 = 420Q Solving for variable 'Q'. Move all terms containing Q to the left, all other terms to the right. Add '-420Q' to each side of the equation. 30 + -420Q = 420Q + -420Q Combine like terms: 420Q + -420Q = 0 30 + -420Q = 0 Add '-30' to each side of the equation. 30 + -30 + -420Q = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -420Q = 0 + -30 -420Q = 0 + -30 Combine like terms: 0 + -30 = -30 -420Q = -30 Divide each side by '-420'. Q = 0.07142857143 Simplifying Q = 0.07142857143
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