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Simplifying 3 + -4(x + 2) = 15 Reorder the terms: 3 + -4(2 + x) = 15 3 + (2 * -4 + x * -4) = 15 3 + (-8 + -4x) = 15 Combine like terms: 3 + -8 = -5 -5 + -4x = 15 Solving -5 + -4x = 15 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -4x = 15 + 5 Combine like terms: -5 + 5 = 0 0 + -4x = 15 + 5 -4x = 15 + 5 Combine like terms: 15 + 5 = 20 -4x = 20 Divide each side by '-4'. x = -5 Simplifying x = -5
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