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Simplifying 42 = 3.5x Solving 42 = 3.5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.5x' to each side of the equation. 42 + -3.5x = 3.5x + -3.5x Combine like terms: 3.5x + -3.5x = 0.0 42 + -3.5x = 0.0 Add '-42' to each side of the equation. 42 + -42 + -3.5x = 0.0 + -42 Combine like terms: 42 + -42 = 0 0 + -3.5x = 0.0 + -42 -3.5x = 0.0 + -42 Combine like terms: 0.0 + -42 = -42 -3.5x = -42 Divide each side by '-3.5'. x = 12 Simplifying x = 12
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