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Simplifying -0.4(n + -0.66) = -0.2(n + -0.8) Reorder the terms: -0.4(-0.66 + n) = -0.2(n + -0.8) (-0.66 * -0.4 + n * -0.4) = -0.2(n + -0.8) (0.264 + -0.4n) = -0.2(n + -0.8) Reorder the terms: 0.264 + -0.4n = -0.2(-0.8 + n) 0.264 + -0.4n = (-0.8 * -0.2 + n * -0.2) 0.264 + -0.4n = (0.16 + -0.2n) Solving 0.264 + -0.4n = 0.16 + -0.2n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.2n' to each side of the equation. 0.264 + -0.4n + 0.2n = 0.16 + -0.2n + 0.2n Combine like terms: -0.4n + 0.2n = -0.2n 0.264 + -0.2n = 0.16 + -0.2n + 0.2n Combine like terms: -0.2n + 0.2n = 0.0 0.264 + -0.2n = 0.16 + 0.0 0.264 + -0.2n = 0.16 Add '-0.264' to each side of the equation. 0.264 + -0.264 + -0.2n = 0.16 + -0.264 Combine like terms: 0.264 + -0.264 = 0.000 0.000 + -0.2n = 0.16 + -0.264 -0.2n = 0.16 + -0.264 Combine like terms: 0.16 + -0.264 = -0.104 -0.2n = -0.104 Divide each side by '-0.2'. n = 0.52 Simplifying n = 0.52
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