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Simplifying x + 42 = 7x Reorder the terms: 42 + x = 7x Solving 42 + x = 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 + x + -7x = 7x + -7x Combine like terms: x + -7x = -6x 42 + -6x = 7x + -7x Combine like terms: 7x + -7x = 0 42 + -6x = 0 Add '-42' to each side of the equation. 42 + -42 + -6x = 0 + -42 Combine like terms: 42 + -42 = 0 0 + -6x = 0 + -42 -6x = 0 + -42 Combine like terms: 0 + -42 = -42 -6x = -42 Divide each side by '-6'. x = 7 Simplifying x = 7
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