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Simplifying 4a + 7 + -8a = 0 Reorder the terms: 7 + 4a + -8a = 0 Combine like terms: 4a + -8a = -4a 7 + -4a = 0 Solving 7 + -4a = 0 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 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4a = 0 + -7 -4a = 0 + -7 Combine like terms: 0 + -7 = -7 -4a = -7 Divide each side by '-4'. a = 1.75 Simplifying a = 1.75
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