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Simplifying 2a + 30 = 4a + -4 Reorder the terms: 30 + 2a = 4a + -4 Reorder the terms: 30 + 2a = -4 + 4a Solving 30 + 2a = -4 + 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. 30 + 2a + -4a = -4 + 4a + -4a Combine like terms: 2a + -4a = -2a 30 + -2a = -4 + 4a + -4a Combine like terms: 4a + -4a = 0 30 + -2a = -4 + 0 30 + -2a = -4 Add '-30' to each side of the equation. 30 + -30 + -2a = -4 + -30 Combine like terms: 30 + -30 = 0 0 + -2a = -4 + -30 -2a = -4 + -30 Combine like terms: -4 + -30 = -34 -2a = -34 Divide each side by '-2'. a = 17 Simplifying a = 17
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