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Simplifying 7(-2 + -1x) = -42 (-2 * 7 + -1x * 7) = -42 (-14 + -7x) = -42 Solving -14 + -7x = -42 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + -7x = -42 + 14 Combine like terms: -14 + 14 = 0 0 + -7x = -42 + 14 -7x = -42 + 14 Combine like terms: -42 + 14 = -28 -7x = -28 Divide each side by '-7'. x = 4 Simplifying x = 4
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