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Simplifying q2 + -4 = 18 Reorder the terms: -4 + q2 = 18 Solving -4 + q2 = 18 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + q2 = 18 + 4 Combine like terms: -4 + 4 = 0 0 + q2 = 18 + 4 q2 = 18 + 4 Combine like terms: 18 + 4 = 22 q2 = 22 Simplifying q2 = 22 Take the square root of each side: q = {-4.69041576, 4.69041576}
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