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Simplifying x + -7 * 9 = 7 + -1x * 2 Multiply -7 * 9 x + -63 = 7 + -1x * 2 Reorder the terms: -63 + x = 7 + -1x * 2 Reorder the terms for easier multiplication: -63 + x = 7 + -1 * 2x Multiply -1 * 2 -63 + x = 7 + -2x Solving -63 + x = 7 + -2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2x' to each side of the equation. -63 + x + 2x = 7 + -2x + 2x Combine like terms: x + 2x = 3x -63 + 3x = 7 + -2x + 2x Combine like terms: -2x + 2x = 0 -63 + 3x = 7 + 0 -63 + 3x = 7 Add '63' to each side of the equation. -63 + 63 + 3x = 7 + 63 Combine like terms: -63 + 63 = 0 0 + 3x = 7 + 63 3x = 7 + 63 Combine like terms: 7 + 63 = 70 3x = 70 Divide each side by '3'. x = 23.33333333 Simplifying x = 23.33333333
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