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Simplifying nx + -1in(2 + -1x) = 7 nx + (2 * -1in + -1x * -1in) = 7 nx + (-2in + 1inx) = 7 Reorder the terms: -2in + 1inx + nx = 7 Solving -2in + 1inx + nx = 7 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-1nx' to each side of the equation. -2in + 1inx + nx + -1nx = 7 + -1nx Combine like terms: nx + -1nx = 0 -2in + 1inx + 0 = 7 + -1nx -2in + 1inx = 7 + -1nx Reorder the terms: -7 + -2in + 1inx + nx = 7 + -1nx + -7 + nx Reorder the terms: -7 + -2in + 1inx + nx = 7 + -7 + -1nx + nx Combine like terms: 7 + -7 = 0 -7 + -2in + 1inx + nx = 0 + -1nx + nx -7 + -2in + 1inx + nx = -1nx + nx Combine like terms: -1nx + nx = 0 -7 + -2in + 1inx + nx = 0 The solution to this equation could not be determined.
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