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Simplifying (2x2 + 3y2 + -7) + -1(4x2 + 3y2 + -4) = 0 Reorder the terms: (-7 + 2x2 + 3y2) + -1(4x2 + 3y2 + -4) = 0 Remove parenthesis around (-7 + 2x2 + 3y2) -7 + 2x2 + 3y2 + -1(4x2 + 3y2 + -4) = 0 Reorder the terms: -7 + 2x2 + 3y2 + -1(-4 + 4x2 + 3y2) = 0 -7 + 2x2 + 3y2 + (-4 * -1 + 4x2 * -1 + 3y2 * -1) = 0 -7 + 2x2 + 3y2 + (4 + -4x2 + -3y2) = 0 Reorder the terms: -7 + 4 + 2x2 + -4x2 + 3y2 + -3y2 = 0 Combine like terms: -7 + 4 = -3 -3 + 2x2 + -4x2 + 3y2 + -3y2 = 0 Combine like terms: 2x2 + -4x2 = -2x2 -3 + -2x2 + 3y2 + -3y2 = 0 Combine like terms: 3y2 + -3y2 = 0 -3 + -2x2 + 0 = 0 -3 + -2x2 = 0 Solving -3 + -2x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -2x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x2 = 0 + 3 -2x2 = 0 + 3 Combine like terms: 0 + 3 = 3 -2x2 = 3 Divide each side by '-2'. x2 = -1.5 Simplifying x2 = -1.5 Reorder the terms: 1.5 + x2 = -1.5 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 1.5 + x2 = 0.0 The solution to this equation could not be determined.
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