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Simplifying 38 = -1 + -3a Solving 38 = -1 + -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. 38 + 3a = -1 + -3a + 3a Combine like terms: -3a + 3a = 0 38 + 3a = -1 + 0 38 + 3a = -1 Add '-38' to each side of the equation. 38 + -38 + 3a = -1 + -38 Combine like terms: 38 + -38 = 0 0 + 3a = -1 + -38 3a = -1 + -38 Combine like terms: -1 + -38 = -39 3a = -39 Divide each side by '3'. a = -13 Simplifying a = -13
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