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Simplifying 3 = 5 + -13 + 3a Combine like terms: 5 + -13 = -8 3 = -8 + 3a Solving 3 = -8 + 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. 3 + -3a = -8 + 3a + -3a Combine like terms: 3a + -3a = 0 3 + -3a = -8 + 0 3 + -3a = -8 Add '-3' to each side of the equation. 3 + -3 + -3a = -8 + -3 Combine like terms: 3 + -3 = 0 0 + -3a = -8 + -3 -3a = -8 + -3 Combine like terms: -8 + -3 = -11 -3a = -11 Divide each side by '-3'. a = 3.666666667 Simplifying a = 3.666666667
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