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Simplifying 4 + -7x(2 + -1y) = 5 + -4xy 4 + (2 * -7x + -1y * -7x) = 5 + -4xy 4 + (-14x + 7xy) = 5 + -4xy Solving 4 + -14x + 7xy = 5 + -4xy Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4xy' to each side of the equation. 4 + -14x + 7xy + 4xy = 5 + -4xy + 4xy Combine like terms: 7xy + 4xy = 11xy 4 + -14x + 11xy = 5 + -4xy + 4xy Combine like terms: -4xy + 4xy = 0 4 + -14x + 11xy = 5 + 0 4 + -14x + 11xy = 5 Add '-4' to each side of the equation. 4 + -14x + -4 + 11xy = 5 + -4 Reorder the terms: 4 + -4 + -14x + 11xy = 5 + -4 Combine like terms: 4 + -4 = 0 0 + -14x + 11xy = 5 + -4 -14x + 11xy = 5 + -4 Combine like terms: 5 + -4 = 1 -14x + 11xy = 1 Reorder the terms: -1 + -14x + 11xy = 1 + -1 Combine like terms: 1 + -1 = 0 -1 + -14x + 11xy = 0 The solution to this equation could not be determined.
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