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Simplifying 3x + -2(-5x + 2) = -121 Reorder the terms: 3x + -2(2 + -5x) = -121 3x + (2 * -2 + -5x * -2) = -121 3x + (-4 + 10x) = -121 Reorder the terms: -4 + 3x + 10x = -121 Combine like terms: 3x + 10x = 13x -4 + 13x = -121 Solving -4 + 13x = -121 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 13x = -121 + 4 Combine like terms: -4 + 4 = 0 0 + 13x = -121 + 4 13x = -121 + 4 Combine like terms: -121 + 4 = -117 13x = -117 Divide each side by '13'. x = -9 Simplifying x = -9
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