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Simplifying -7(x + 2) + -16 = 15 + 4 Reorder the terms: -7(2 + x) + -16 = 15 + 4 (2 * -7 + x * -7) + -16 = 15 + 4 (-14 + -7x) + -16 = 15 + 4 Reorder the terms: -14 + -16 + -7x = 15 + 4 Combine like terms: -14 + -16 = -30 -30 + -7x = 15 + 4 Combine like terms: 15 + 4 = 19 -30 + -7x = 19 Solving -30 + -7x = 19 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + -7x = 19 + 30 Combine like terms: -30 + 30 = 0 0 + -7x = 19 + 30 -7x = 19 + 30 Combine like terms: 19 + 30 = 49 -7x = 49 Divide each side by '-7'. x = -7 Simplifying x = -7
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