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Simplifying 7x + 7(-2x + -6) = -112 Reorder the terms: 7x + 7(-6 + -2x) = -112 7x + (-6 * 7 + -2x * 7) = -112 7x + (-42 + -14x) = -112 Reorder the terms: -42 + 7x + -14x = -112 Combine like terms: 7x + -14x = -7x -42 + -7x = -112 Solving -42 + -7x = -112 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '42' to each side of the equation. -42 + 42 + -7x = -112 + 42 Combine like terms: -42 + 42 = 0 0 + -7x = -112 + 42 -7x = -112 + 42 Combine like terms: -112 + 42 = -70 -7x = -70 Divide each side by '-7'. x = 10 Simplifying x = 10
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