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Simplifying 15x + -30 = 8x + 42 Reorder the terms: -30 + 15x = 8x + 42 Reorder the terms: -30 + 15x = 42 + 8x Solving -30 + 15x = 42 + 8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8x' to each side of the equation. -30 + 15x + -8x = 42 + 8x + -8x Combine like terms: 15x + -8x = 7x -30 + 7x = 42 + 8x + -8x Combine like terms: 8x + -8x = 0 -30 + 7x = 42 + 0 -30 + 7x = 42 Add '30' to each side of the equation. -30 + 30 + 7x = 42 + 30 Combine like terms: -30 + 30 = 0 0 + 7x = 42 + 30 7x = 42 + 30 Combine like terms: 42 + 30 = 72 7x = 72 Divide each side by '7'. x = 10.28571429 Simplifying x = 10.28571429
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