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Simplifying ba + -1cd = 3a Solving ab + -1cd = 3a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3a' to each side of the equation. ab + -3a + -1cd = 3a + -3a Reorder the terms: -3a + ab + -1cd = 3a + -3a Combine like terms: 3a + -3a = 0 -3a + ab + -1cd = 0 Add 'cd' to each side of the equation. -3a + ab + -1cd + cd = 0 + cd Combine like terms: -1cd + cd = 0 -3a + ab + 0 = 0 + cd -3a + ab = 0 + cd Remove the zero: -3a + ab = cd Combine like terms: cd + -1cd = 0 -3a + ab + -1cd = 0 The solution to this equation could not be determined.
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