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Simplifying 7 + -6a = -7a Solving 7 + -6a = -7a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '7a' to each side of the equation. 7 + -6a + 7a = -7a + 7a Combine like terms: -6a + 7a = 1a 7 + 1a = -7a + 7a Combine like terms: -7a + 7a = 0 7 + 1a = 0 Add '-7' to each side of the equation. 7 + -7 + 1a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 1a = 0 + -7 1a = 0 + -7 Combine like terms: 0 + -7 = -7 1a = -7 Divide each side by '1'. a = -7 Simplifying a = -7
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