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Simplifying 13 + -7x = 42 + -14x Solving 13 + -7x = 42 + -14x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14x' to each side of the equation. 13 + -7x + 14x = 42 + -14x + 14x Combine like terms: -7x + 14x = 7x 13 + 7x = 42 + -14x + 14x Combine like terms: -14x + 14x = 0 13 + 7x = 42 + 0 13 + 7x = 42 Add '-13' to each side of the equation. 13 + -13 + 7x = 42 + -13 Combine like terms: 13 + -13 = 0 0 + 7x = 42 + -13 7x = 42 + -13 Combine like terms: 42 + -13 = 29 7x = 29 Divide each side by '7'. x = 4.142857143 Simplifying x = 4.142857143
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