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Simplifying 0.3x + -0.5(5 + -1x) = 1.9 0.3x + (5 * -0.5 + -1x * -0.5) = 1.9 0.3x + (-2.5 + 0.5x) = 1.9 Reorder the terms: -2.5 + 0.3x + 0.5x = 1.9 Combine like terms: 0.3x + 0.5x = 0.8x -2.5 + 0.8x = 1.9 Solving -2.5 + 0.8x = 1.9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + 0.8x = 1.9 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + 0.8x = 1.9 + 2.5 0.8x = 1.9 + 2.5 Combine like terms: 1.9 + 2.5 = 4.4 0.8x = 4.4 Divide each side by '0.8'. x = 5.5 Simplifying x = 5.5
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