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Simplifying 21ab + -14ax + 15by + -10xy = 0 Solving 21ab + -14ax + 15by + -10xy = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-15by' to each side of the equation. 21ab + -14ax + 15by + -15by + -10xy = 0 + -15by Combine like terms: 15by + -15by = 0 21ab + -14ax + 0 + -10xy = 0 + -15by 21ab + -14ax + -10xy = 0 + -15by Remove the zero: 21ab + -14ax + -10xy = -15by Add '10xy' to each side of the equation. 21ab + -14ax + -10xy + 10xy = -15by + 10xy Combine like terms: -10xy + 10xy = 0 21ab + -14ax + 0 = -15by + 10xy 21ab + -14ax = -15by + 10xy Reorder the terms: 21ab + -14ax + 15by + -10xy = -15by + 15by + 10xy + -10xy Combine like terms: -15by + 15by = 0 21ab + -14ax + 15by + -10xy = 0 + 10xy + -10xy 21ab + -14ax + 15by + -10xy = 10xy + -10xy Combine like terms: 10xy + -10xy = 0 21ab + -14ax + 15by + -10xy = 0 The solution to this equation could not be determined.
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