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Simplifying 5 + -2a = 4a + -7 Reorder the terms: 5 + -2a = -7 + 4a Solving 5 + -2a = -7 + 4a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-4a' to each side of the equation. 5 + -2a + -4a = -7 + 4a + -4a Combine like terms: -2a + -4a = -6a 5 + -6a = -7 + 4a + -4a Combine like terms: 4a + -4a = 0 5 + -6a = -7 + 0 5 + -6a = -7 Add '-5' to each side of the equation. 5 + -5 + -6a = -7 + -5 Combine like terms: 5 + -5 = 0 0 + -6a = -7 + -5 -6a = -7 + -5 Combine like terms: -7 + -5 = -12 -6a = -12 Divide each side by '-6'. a = 2 Simplifying a = 2
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