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Simplifying 7(3 + -5x) + -7x = -2 + -4(-3x + -8x) (3 * 7 + -5x * 7) + -7x = -2 + -4(-3x + -8x) (21 + -35x) + -7x = -2 + -4(-3x + -8x) Combine like terms: -35x + -7x = -42x 21 + -42x = -2 + -4(-3x + -8x) Combine like terms: -3x + -8x = -11x 21 + -42x = -2 + -4(-11x) Remove parenthesis around (-11x) 21 + -42x = -2 + -4 * -11x Multiply -4 * -11 21 + -42x = -2 + 44x Solving 21 + -42x = -2 + 44x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-44x' to each side of the equation. 21 + -42x + -44x = -2 + 44x + -44x Combine like terms: -42x + -44x = -86x 21 + -86x = -2 + 44x + -44x Combine like terms: 44x + -44x = 0 21 + -86x = -2 + 0 21 + -86x = -2 Add '-21' to each side of the equation. 21 + -21 + -86x = -2 + -21 Combine like terms: 21 + -21 = 0 0 + -86x = -2 + -21 -86x = -2 + -21 Combine like terms: -2 + -21 = -23 -86x = -23 Divide each side by '-86'. x = 0.2674418605 Simplifying x = 0.2674418605
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