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Simplifying 6x + -126 = 43 + -7x Reorder the terms: -126 + 6x = 43 + -7x Solving -126 + 6x = 43 + -7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7x' to each side of the equation. -126 + 6x + 7x = 43 + -7x + 7x Combine like terms: 6x + 7x = 13x -126 + 13x = 43 + -7x + 7x Combine like terms: -7x + 7x = 0 -126 + 13x = 43 + 0 -126 + 13x = 43 Add '126' to each side of the equation. -126 + 126 + 13x = 43 + 126 Combine like terms: -126 + 126 = 0 0 + 13x = 43 + 126 13x = 43 + 126 Combine like terms: 43 + 126 = 169 13x = 169 Divide each side by '13'. x = 13 Simplifying x = 13
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