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Simplifying [8x + -7] = 42 Reorder the terms: [-7 + 8x] = 42 Remove brackets around [-7 + 8x] -7 + 8x = 42 Solving -7 + 8x = 42 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 + 8x = 42 + 7 Combine like terms: -7 + 7 = 0 0 + 8x = 42 + 7 8x = 42 + 7 Combine like terms: 42 + 7 = 49 8x = 49 Divide each side by '8'. x = 6.125 Simplifying x = 6.125
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