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Simplifying 0.4(5x + -1) + 2.25 = 2(3.5 + x) Reorder the terms: 0.4(-1 + 5x) + 2.25 = 2(3.5 + x) (-1 * 0.4 + 5x * 0.4) + 2.25 = 2(3.5 + x) (-0.4 + 2x) + 2.25 = 2(3.5 + x) Reorder the terms: -0.4 + 2.25 + 2x = 2(3.5 + x) Combine like terms: -0.4 + 2.25 = 1.85 1.85 + 2x = 2(3.5 + x) 1.85 + 2x = (3.5 * 2 + x * 2) 1.85 + 2x = (7 + 2x) Add '-2x' to each side of the equation. 1.85 + 2x + -2x = 7 + 2x + -2x Combine like terms: 2x + -2x = 0 1.85 + 0 = 7 + 2x + -2x 1.85 = 7 + 2x + -2x Combine like terms: 2x + -2x = 0 1.85 = 7 + 0 1.85 = 7 Solving 1.85 = 7 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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