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Simplifying 130 = 13a Solving 130 = 13a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-13a' to each side of the equation. 130 + -13a = 13a + -13a Combine like terms: 13a + -13a = 0 130 + -13a = 0 Add '-130' to each side of the equation. 130 + -130 + -13a = 0 + -130 Combine like terms: 130 + -130 = 0 0 + -13a = 0 + -130 -13a = 0 + -130 Combine like terms: 0 + -130 = -130 -13a = -130 Divide each side by '-13'. a = 10 Simplifying a = 10
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