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Simplifying ab + 2(a + b) = 140 ab + (a * 2 + b * 2) = 140 ab + (2a + 2b) = 140 Reorder the terms: 2a + ab + 2b = 140 Solving 2a + ab + 2b = 140 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2b' to each side of the equation. 2a + ab + 2b + -2b = 140 + -2b Combine like terms: 2b + -2b = 0 2a + ab + 0 = 140 + -2b 2a + ab = 140 + -2b Reorder the terms: -140 + 2a + ab + 2b = 140 + -2b + -140 + 2b Reorder the terms: -140 + 2a + ab + 2b = 140 + -140 + -2b + 2b Combine like terms: 140 + -140 = 0 -140 + 2a + ab + 2b = 0 + -2b + 2b -140 + 2a + ab + 2b = -2b + 2b Combine like terms: -2b + 2b = 0 -140 + 2a + ab + 2b = 0 The solution to this equation could not be determined.
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