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Simplifying 2(x + -5) * 2 + 9 = 31 Reorder the terms: 2(-5 + x) * 2 + 9 = 31 Reorder the terms for easier multiplication: 2 * 2(-5 + x) + 9 = 31 Multiply 2 * 2 4(-5 + x) + 9 = 31 (-5 * 4 + x * 4) + 9 = 31 (-20 + 4x) + 9 = 31 Reorder the terms: -20 + 9 + 4x = 31 Combine like terms: -20 + 9 = -11 -11 + 4x = 31 Solving -11 + 4x = 31 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + 4x = 31 + 11 Combine like terms: -11 + 11 = 0 0 + 4x = 31 + 11 4x = 31 + 11 Combine like terms: 31 + 11 = 42 4x = 42 Divide each side by '4'. x = 10.5 Simplifying x = 10.5
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