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Simplifying 2(a + -15) = 2(a + 3) Reorder the terms: 2(-15 + a) = 2(a + 3) (-15 * 2 + a * 2) = 2(a + 3) (-30 + 2a) = 2(a + 3) Reorder the terms: -30 + 2a = 2(3 + a) -30 + 2a = (3 * 2 + a * 2) -30 + 2a = (6 + 2a) Add '-2a' to each side of the equation. -30 + 2a + -2a = 6 + 2a + -2a Combine like terms: 2a + -2a = 0 -30 + 0 = 6 + 2a + -2a -30 = 6 + 2a + -2a Combine like terms: 2a + -2a = 0 -30 = 6 + 0 -30 = 6 Solving -30 = 6 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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