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Simplifying 20 + q = 4q + -7 Reorder the terms: 20 + q = -7 + 4q Solving 20 + q = -7 + 4q Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-4q' to each side of the equation. 20 + q + -4q = -7 + 4q + -4q Combine like terms: q + -4q = -3q 20 + -3q = -7 + 4q + -4q Combine like terms: 4q + -4q = 0 20 + -3q = -7 + 0 20 + -3q = -7 Add '-20' to each side of the equation. 20 + -20 + -3q = -7 + -20 Combine like terms: 20 + -20 = 0 0 + -3q = -7 + -20 -3q = -7 + -20 Combine like terms: -7 + -20 = -27 -3q = -27 Divide each side by '-3'. q = 9 Simplifying q = 9
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