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Simplifying 21 * 2x + 8 = 27x Multiply 21 * 2 42x + 8 = 27x Reorder the terms: 8 + 42x = 27x Solving 8 + 42x = 27x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-27x' to each side of the equation. 8 + 42x + -27x = 27x + -27x Combine like terms: 42x + -27x = 15x 8 + 15x = 27x + -27x Combine like terms: 27x + -27x = 0 8 + 15x = 0 Add '-8' to each side of the equation. 8 + -8 + 15x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 15x = 0 + -8 15x = 0 + -8 Combine like terms: 0 + -8 = -8 15x = -8 Divide each side by '15'. x = -0.5333333333 Simplifying x = -0.5333333333
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