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Simplifying 19 + -6x = 21 + -9x Solving 19 + -6x = 21 + -9x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9x' to each side of the equation. 19 + -6x + 9x = 21 + -9x + 9x Combine like terms: -6x + 9x = 3x 19 + 3x = 21 + -9x + 9x Combine like terms: -9x + 9x = 0 19 + 3x = 21 + 0 19 + 3x = 21 Add '-19' to each side of the equation. 19 + -19 + 3x = 21 + -19 Combine like terms: 19 + -19 = 0 0 + 3x = 21 + -19 3x = 21 + -19 Combine like terms: 21 + -19 = 2 3x = 2 Divide each side by '3'. x = 0.6666666667 Simplifying x = 0.6666666667
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