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Simplifying 90 = 2(x2 + 60) Reorder the terms: 90 = 2(60 + x2) 90 = (60 * 2 + x2 * 2) 90 = (120 + 2x2) Solving 90 = 120 + 2x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x2' to each side of the equation. 90 + -2x2 = 120 + 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 90 + -2x2 = 120 + 0 90 + -2x2 = 120 Add '-90' to each side of the equation. 90 + -90 + -2x2 = 120 + -90 Combine like terms: 90 + -90 = 0 0 + -2x2 = 120 + -90 -2x2 = 120 + -90 Combine like terms: 120 + -90 = 30 -2x2 = 30 Divide each side by '-2'. x2 = -15 Simplifying x2 = -15 Reorder the terms: 15 + x2 = -15 + 15 Combine like terms: -15 + 15 = 0 15 + x2 = 0 The solution to this equation could not be determined.
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