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Simplifying x + (x + -30) + ((x + -30) * 3) = 830 Reorder the terms: x + (-30 + x) + ((x + -30) * 3) = 830 Remove parenthesis around (-30 + x) x + -30 + x + ((x + -30) * 3) = 830 Reorder the terms: x + -30 + x + ((-30 + x) * 3) = 830 Reorder the terms for easier multiplication: x + -30 + x + (3(-30 + x)) = 830 x + -30 + x + ((-30 * 3 + x * 3)) = 830 x + -30 + x + ((-90 + 3x)) = 830 x + -30 + x + (-90 + 3x) = 830 Remove parenthesis around (-90 + 3x) x + -30 + x + -90 + 3x = 830 Reorder the terms: -30 + -90 + x + x + 3x = 830 Combine like terms: -30 + -90 = -120 -120 + x + x + 3x = 830 Combine like terms: x + x = 2x -120 + 2x + 3x = 830 Combine like terms: 2x + 3x = 5x -120 + 5x = 830 Solving -120 + 5x = 830 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '120' to each side of the equation. -120 + 120 + 5x = 830 + 120 Combine like terms: -120 + 120 = 0 0 + 5x = 830 + 120 5x = 830 + 120 Combine like terms: 830 + 120 = 950 5x = 950 Divide each side by '5'. x = 190 Simplifying x = 190
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