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Simplifying -42 = -4x Solving -42 = -4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4x' to each side of the equation. -42 + 4x = -4x + 4x Combine like terms: -4x + 4x = 0 -42 + 4x = 0 Add '42' to each side of the equation. -42 + 42 + 4x = 0 + 42 Combine like terms: -42 + 42 = 0 0 + 4x = 0 + 42 4x = 0 + 42 Combine like terms: 0 + 42 = 42 4x = 42 Divide each side by '4'. x = 10.5 Simplifying x = 10.5
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