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Simplifying -1((-1)(-1) + -3)((-1)(-1) + -3)((-1)(-1) + -3) + -3 * -4 = x Multiply -1 * -1 -1(1 + -3)((-1)(-1) + -3)((-1)(-1) + -3) + -3 * -4 = x Combine like terms: 1 + -3 = -2 -1(-2)((-1)(-1) + -3)((-1)(-1) + -3) + -3 * -4 = x Multiply -1 * -1 -1 * -2(1 + -3)((-1)(-1) + -3) + -3 * -4 = x Combine like terms: 1 + -3 = -2 -1 * -2(-2)((-1)(-1) + -3) + -3 * -4 = x Multiply -1 * -1 -1 * -2 * -2(1 + -3) + -3 * -4 = x Combine like terms: 1 + -3 = -2 -1 * -2 * -2(-2) + -3 * -4 = x Multiply -1 * -2 2 * -2 * -2 + -3 * -4 = x Multiply 2 * -2 -4 * -2 + -3 * -4 = x Multiply -4 * -2 8 + -3 * -4 = x Multiply -3 * -4 8 + 12 = x Combine like terms: 8 + 12 = 20 20 = x Solving 20 = x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. 20 + -1x = x + -1x Combine like terms: x + -1x = 0 20 + -1x = 0 Add '-20' to each side of the equation. 20 + -20 + -1x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -1x = 0 + -20 -1x = 0 + -20 Combine like terms: 0 + -20 = -20 -1x = -20 Divide each side by '-1'. x = 20 Simplifying x = 20
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