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Simplifying 4a + 2b = a + 13 Reorder the terms: 4a + 2b = 13 + a Solving 4a + 2b = 13 + a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1a' to each side of the equation. 4a + -1a + 2b = 13 + a + -1a Combine like terms: 4a + -1a = 3a 3a + 2b = 13 + a + -1a Combine like terms: a + -1a = 0 3a + 2b = 13 + 0 3a + 2b = 13 Add '-2b' to each side of the equation. 3a + 2b + -2b = 13 + -2b Combine like terms: 2b + -2b = 0 3a + 0 = 13 + -2b 3a = 13 + -2b Divide each side by '3'. a = 4.333333333 + -0.6666666667b Simplifying a = 4.333333333 + -0.6666666667b
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