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Simplifying 7x + 34 = 139 Reorder the terms: 34 + 7x = 139 Solving 34 + 7x = 139 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-34' to each side of the equation. 34 + -34 + 7x = 139 + -34 Combine like terms: 34 + -34 = 0 0 + 7x = 139 + -34 7x = 139 + -34 Combine like terms: 139 + -34 = 105 7x = 105 Divide each side by '7'. x = 15 Simplifying x = 15
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