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Simplifying 7 + -7x = 40 + -14x Solving 7 + -7x = 40 + -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. 7 + -7x + 14x = 40 + -14x + 14x Combine like terms: -7x + 14x = 7x 7 + 7x = 40 + -14x + 14x Combine like terms: -14x + 14x = 0 7 + 7x = 40 + 0 7 + 7x = 40 Add '-7' to each side of the equation. 7 + -7 + 7x = 40 + -7 Combine like terms: 7 + -7 = 0 0 + 7x = 40 + -7 7x = 40 + -7 Combine like terms: 40 + -7 = 33 7x = 33 Divide each side by '7'. x = 4.714285714 Simplifying x = 4.714285714
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