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Simplifying 637 = 13a Solving 637 = 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. 637 + -13a = 13a + -13a Combine like terms: 13a + -13a = 0 637 + -13a = 0 Add '-637' to each side of the equation. 637 + -637 + -13a = 0 + -637 Combine like terms: 637 + -637 = 0 0 + -13a = 0 + -637 -13a = 0 + -637 Combine like terms: 0 + -637 = -637 -13a = -637 Divide each side by '-13'. a = 49 Simplifying a = 49
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