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Simplifying 7 + -7(2x + -5) = -3x Reorder the terms: 7 + -7(-5 + 2x) = -3x 7 + (-5 * -7 + 2x * -7) = -3x 7 + (35 + -14x) = -3x Combine like terms: 7 + 35 = 42 42 + -14x = -3x Solving 42 + -14x = -3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3x' to each side of the equation. 42 + -14x + 3x = -3x + 3x Combine like terms: -14x + 3x = -11x 42 + -11x = -3x + 3x Combine like terms: -3x + 3x = 0 42 + -11x = 0 Add '-42' to each side of the equation. 42 + -42 + -11x = 0 + -42 Combine like terms: 42 + -42 = 0 0 + -11x = 0 + -42 -11x = 0 + -42 Combine like terms: 0 + -42 = -42 -11x = -42 Divide each side by '-11'. x = 3.818181818 Simplifying x = 3.818181818
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