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Simplifying 7 + 8a = a Solving 7 + 8a = a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1a' to each side of the equation. 7 + 8a + -1a = a + -1a Combine like terms: 8a + -1a = 7a 7 + 7a = a + -1a Combine like terms: a + -1a = 0 7 + 7a = 0 Add '-7' to each side of the equation. 7 + -7 + 7a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 7a = 0 + -7 7a = 0 + -7 Combine like terms: 0 + -7 = -7 7a = -7 Divide each side by '7'. a = -1 Simplifying a = -1
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