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Simplifying -7x + -2(-5) = -18 Multiply -2 * -5 -7x + 10 = -18 Reorder the terms: 10 + -7x = -18 Solving 10 + -7x = -18 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -7x = -18 + -10 Combine like terms: 10 + -10 = 0 0 + -7x = -18 + -10 -7x = -18 + -10 Combine like terms: -18 + -10 = -28 -7x = -28 Divide each side by '-7'. x = 4 Simplifying x = 4
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