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Simplifying 8 + -7x = -20 Solving 8 + -7x = -20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -7x = -20 + -8 Combine like terms: 8 + -8 = 0 0 + -7x = -20 + -8 -7x = -20 + -8 Combine like terms: -20 + -8 = -28 -7x = -28 Divide each side by '-7'. x = 4 Simplifying x = 4
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