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Simplifying 4(x + 2) + -4(x + -3) = 30 Reorder the terms: 4(2 + x) + -4(x + -3) = 30 (2 * 4 + x * 4) + -4(x + -3) = 30 (8 + 4x) + -4(x + -3) = 30 Reorder the terms: 8 + 4x + -4(-3 + x) = 30 8 + 4x + (-3 * -4 + x * -4) = 30 8 + 4x + (12 + -4x) = 30 Reorder the terms: 8 + 12 + 4x + -4x = 30 Combine like terms: 8 + 12 = 20 20 + 4x + -4x = 30 Combine like terms: 4x + -4x = 0 20 + 0 = 30 20 = 30 Solving 20 = 30 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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