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Simplifying 0.4(x + 3) + -0.6(x + 3) = -0.2x + 0.6 Reorder the terms: 0.4(3 + x) + -0.6(x + 3) = -0.2x + 0.6 (3 * 0.4 + x * 0.4) + -0.6(x + 3) = -0.2x + 0.6 (1.2 + 0.4x) + -0.6(x + 3) = -0.2x + 0.6 Reorder the terms: 1.2 + 0.4x + -0.6(3 + x) = -0.2x + 0.6 1.2 + 0.4x + (3 * -0.6 + x * -0.6) = -0.2x + 0.6 1.2 + 0.4x + (-1.8 + -0.6x) = -0.2x + 0.6 Reorder the terms: 1.2 + -1.8 + 0.4x + -0.6x = -0.2x + 0.6 Combine like terms: 1.2 + -1.8 = -0.6 -0.6 + 0.4x + -0.6x = -0.2x + 0.6 Combine like terms: 0.4x + -0.6x = -0.2x -0.6 + -0.2x = -0.2x + 0.6 Reorder the terms: -0.6 + -0.2x = 0.6 + -0.2x Add '0.2x' to each side of the equation. -0.6 + -0.2x + 0.2x = 0.6 + -0.2x + 0.2x Combine like terms: -0.2x + 0.2x = 0.0 -0.6 + 0.0 = 0.6 + -0.2x + 0.2x -0.6 = 0.6 + -0.2x + 0.2x Combine like terms: -0.2x + 0.2x = 0.0 -0.6 = 0.6 + 0.0 -0.6 = 0.6 Solving -0.6 = 0.6 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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