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Simplifying (2z + -7)(2x + 7) = 0 Reorder the terms: (-7 + 2z)(2x + 7) = 0 Reorder the terms: (-7 + 2z)(7 + 2x) = 0 Multiply (-7 + 2z) * (7 + 2x) (-7(7 + 2x) + 2z * (7 + 2x)) = 0 ((7 * -7 + 2x * -7) + 2z * (7 + 2x)) = 0 ((-49 + -14x) + 2z * (7 + 2x)) = 0 (-49 + -14x + (7 * 2z + 2x * 2z)) = 0 Reorder the terms: (-49 + -14x + (4xz + 14z)) = 0 (-49 + -14x + (4xz + 14z)) = 0 (-49 + -14x + 4xz + 14z) = 0 Solving -49 + -14x + 4xz + 14z = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '49' to each side of the equation. -49 + -14x + 4xz + 49 + 14z = 0 + 49 Reorder the terms: -49 + 49 + -14x + 4xz + 14z = 0 + 49 Combine like terms: -49 + 49 = 0 0 + -14x + 4xz + 14z = 0 + 49 -14x + 4xz + 14z = 0 + 49 Combine like terms: 0 + 49 = 49 -14x + 4xz + 14z = 49 Add '-14z' to each side of the equation. -14x + 4xz + 14z + -14z = 49 + -14z Combine like terms: 14z + -14z = 0 -14x + 4xz + 0 = 49 + -14z -14x + 4xz = 49 + -14z Reorder the terms: -49 + -14x + 4xz + 14z = 49 + -14z + -49 + 14z Reorder the terms: -49 + -14x + 4xz + 14z = 49 + -49 + -14z + 14z Combine like terms: 49 + -49 = 0 -49 + -14x + 4xz + 14z = 0 + -14z + 14z -49 + -14x + 4xz + 14z = -14z + 14z Combine like terms: -14z + 14z = 0 -49 + -14x + 4xz + 14z = 0 The solution to this equation could not be determined.
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