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Simplifying 2 + -2x = 42 Solving 2 + -2x = 42 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -2x = 42 + -2 Combine like terms: 2 + -2 = 0 0 + -2x = 42 + -2 -2x = 42 + -2 Combine like terms: 42 + -2 = 40 -2x = 40 Divide each side by '-2'. x = -20 Simplifying x = -20
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