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Simplifying 3a + r = 0 Solving 3a + r = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1r' to each side of the equation. 3a + r + -1r = 0 + -1r Combine like terms: r + -1r = 0 3a + 0 = 0 + -1r 3a = 0 + -1r Remove the zero: 3a = -1r Divide each side by '3'. a = -0.3333333333r Simplifying a = -0.3333333333r
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