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Simplifying -20 = 3x + -7 Reorder the terms: -20 = -7 + 3x Solving -20 = -7 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. -20 + -3x = -7 + 3x + -3x Combine like terms: 3x + -3x = 0 -20 + -3x = -7 + 0 -20 + -3x = -7 Add '20' to each side of the equation. -20 + 20 + -3x = -7 + 20 Combine like terms: -20 + 20 = 0 0 + -3x = -7 + 20 -3x = -7 + 20 Combine like terms: -7 + 20 = 13 -3x = 13 Divide each side by '-3'. x = -4.333333333 Simplifying x = -4.333333333
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