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Simplifying -42 + -8x = 7x Solving -42 + -8x = 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. -42 + -8x + -7x = 7x + -7x Combine like terms: -8x + -7x = -15x -42 + -15x = 7x + -7x Combine like terms: 7x + -7x = 0 -42 + -15x = 0 Add '42' to each side of the equation. -42 + 42 + -15x = 0 + 42 Combine like terms: -42 + 42 = 0 0 + -15x = 0 + 42 -15x = 0 + 42 Combine like terms: 0 + 42 = 42 -15x = 42 Divide each side by '-15'. x = -2.8 Simplifying x = -2.8
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