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Simplifying 42 = -7x + 7 Reorder the terms: 42 = 7 + -7x Solving 42 = 7 + -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 + 7x = 7 + -7x + 7x Combine like terms: -7x + 7x = 0 42 + 7x = 7 + 0 42 + 7x = 7 Add '-42' to each side of the equation. 42 + -42 + 7x = 7 + -42 Combine like terms: 42 + -42 = 0 0 + 7x = 7 + -42 7x = 7 + -42 Combine like terms: 7 + -42 = -35 7x = -35 Divide each side by '7'. x = -5 Simplifying x = -5
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