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Simplifying 4a + -7 = -31 Reorder the terms: -7 + 4a = -31 Solving -7 + 4a = -31 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 4a = -31 + 7 Combine like terms: -7 + 7 = 0 0 + 4a = -31 + 7 4a = -31 + 7 Combine like terms: -31 + 7 = -24 4a = -24 Divide each side by '4'. a = -6 Simplifying a = -6
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