CORRECT, 5y + 2y – 7y = 0, 2(x – 5) = 2x - 10, 2x + 7x = 9x, INCORRECT, 4(x – 5) = 4x - 5, x(3x + 2) =3x 2 + 2, 2x + 3y = 5xy, x + 2x + 3x = 5x, 3x + 2x = 5x2, (2x) 2 = 4x, (2x + 5 ) 2 = 4x 2 + 25

Finding The Error

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