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Simplifying 8x + -1(6x + 7) = 3 Reorder the terms: 8x + -1(7 + 6x) = 3 8x + (7 * -1 + 6x * -1) = 3 8x + (-7 + -6x) = 3 Reorder the terms: -7 + 8x + -6x = 3 Combine like terms: 8x + -6x = 2x -7 + 2x = 3 Solving -7 + 2x = 3 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 2x = 3 + 7 Combine like terms: -7 + 7 = 0 0 + 2x = 3 + 7 2x = 3 + 7 Combine like terms: 3 + 7 = 10 2x = 10 Divide each side by '2'. x = 5 Simplifying x = 5
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