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Simplifying (7X4 + 9x) + -2(X4 + 13) = 0 Remove parenthesis around (7X4 + 9x) 7X4 + 9x + -2(X4 + 13) = 0 Reorder the terms: 7X4 + 9x + -2(13 + X4) = 0 7X4 + 9x + (13 * -2 + X4 * -2) = 0 7X4 + 9x + (-26 + -2X4) = 0 Reorder the terms: -26 + 7X4 + -2X4 + 9x = 0 Combine like terms: 7X4 + -2X4 = 5X4 -26 + 5X4 + 9x = 0 Solving -26 + 5X4 + 9x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '26' to each side of the equation. -26 + 5X4 + 26 + 9x = 0 + 26 Reorder the terms: -26 + 26 + 5X4 + 9x = 0 + 26 Combine like terms: -26 + 26 = 0 0 + 5X4 + 9x = 0 + 26 5X4 + 9x = 0 + 26 Combine like terms: 0 + 26 = 26 5X4 + 9x = 26 Add '-9x' to each side of the equation. 5X4 + 9x + -9x = 26 + -9x Combine like terms: 9x + -9x = 0 5X4 + 0 = 26 + -9x 5X4 = 26 + -9x Divide each side by '5'. X4 = 5.2 + -1.8x Simplifying X4 = 5.2 + -1.8x Reorder the terms: -5.2 + X4 + 1.8x = 5.2 + -1.8x + -5.2 + 1.8x Reorder the terms: -5.2 + X4 + 1.8x = 5.2 + -5.2 + -1.8x + 1.8x Combine like terms: 5.2 + -5.2 = 0.0 -5.2 + X4 + 1.8x = 0.0 + -1.8x + 1.8x -5.2 + X4 + 1.8x = -1.8x + 1.8x Combine like terms: -1.8x + 1.8x = 0.0 -5.2 + X4 + 1.8x = 0.0 The solution to this equation could not be determined.
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