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Simplifying 4a + 2 = -7 + a Reorder the terms: 2 + 4a = -7 + a Solving 2 + 4a = -7 + 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. 2 + 4a + -1a = -7 + a + -1a Combine like terms: 4a + -1a = 3a 2 + 3a = -7 + a + -1a Combine like terms: a + -1a = 0 2 + 3a = -7 + 0 2 + 3a = -7 Add '-2' to each side of the equation. 2 + -2 + 3a = -7 + -2 Combine like terms: 2 + -2 = 0 0 + 3a = -7 + -2 3a = -7 + -2 Combine like terms: -7 + -2 = -9 3a = -9 Divide each side by '3'. a = -3 Simplifying a = -3
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