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Simplifying 7(x + 2) = 14(x + 1) + -7x Reorder the terms: 7(2 + x) = 14(x + 1) + -7x (2 * 7 + x * 7) = 14(x + 1) + -7x (14 + 7x) = 14(x + 1) + -7x Reorder the terms: 14 + 7x = 14(1 + x) + -7x 14 + 7x = (1 * 14 + x * 14) + -7x 14 + 7x = (14 + 14x) + -7x Combine like terms: 14x + -7x = 7x 14 + 7x = 14 + 7x Add '-14' to each side of the equation. 14 + -14 + 7x = 14 + -14 + 7x Combine like terms: 14 + -14 = 0 0 + 7x = 14 + -14 + 7x 7x = 14 + -14 + 7x Combine like terms: 14 + -14 = 0 7x = 0 + 7x 7x = 7x Add '-7x' to each side of the equation. 7x + -7x = 7x + -7x Combine like terms: 7x + -7x = 0 0 = 7x + -7x Combine like terms: 7x + -7x = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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