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Simplifying 2ax + 7x = 6a + 21 Reorder the terms: 2ax + 7x = 21 + 6a Solving 2ax + 7x = 21 + 6a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-6a' to each side of the equation. 2ax + -6a + 7x = 21 + 6a + -6a Reorder the terms: -6a + 2ax + 7x = 21 + 6a + -6a Combine like terms: 6a + -6a = 0 -6a + 2ax + 7x = 21 + 0 -6a + 2ax + 7x = 21 Add '-7x' to each side of the equation. -6a + 2ax + 7x + -7x = 21 + -7x Combine like terms: 7x + -7x = 0 -6a + 2ax + 0 = 21 + -7x -6a + 2ax = 21 + -7x Reorder the terms: -21 + -6a + 2ax + 7x = 21 + -7x + -21 + 7x Reorder the terms: -21 + -6a + 2ax + 7x = 21 + -21 + -7x + 7x Combine like terms: 21 + -21 = 0 -21 + -6a + 2ax + 7x = 0 + -7x + 7x -21 + -6a + 2ax + 7x = -7x + 7x Combine like terms: -7x + 7x = 0 -21 + -6a + 2ax + 7x = 0 The solution to this equation could not be determined.
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