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Simplifying 7x + -2(2x + -5) = 137 Reorder the terms: 7x + -2(-5 + 2x) = 137 7x + (-5 * -2 + 2x * -2) = 137 7x + (10 + -4x) = 137 Reorder the terms: 10 + 7x + -4x = 137 Combine like terms: 7x + -4x = 3x 10 + 3x = 137 Solving 10 + 3x = 137 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + 3x = 137 + -10 Combine like terms: 10 + -10 = 0 0 + 3x = 137 + -10 3x = 137 + -10 Combine like terms: 137 + -10 = 127 3x = 127 Divide each side by '3'. x = 42.33333333 Simplifying x = 42.33333333
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