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Simplifying 9 + z2 + -169 = x2 + 4 Reorder the terms: 9 + -169 + z2 = x2 + 4 Combine like terms: 9 + -169 = -160 -160 + z2 = x2 + 4 Reorder the terms: -160 + z2 = 4 + x2 Solving -160 + z2 = 4 + x2 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '160' to each side of the equation. -160 + 160 + z2 = 4 + 160 + x2 Combine like terms: -160 + 160 = 0 0 + z2 = 4 + 160 + x2 z2 = 4 + 160 + x2 Combine like terms: 4 + 160 = 164 z2 = 164 + x2 Simplifying z2 = 164 + x2 Reorder the terms: -164 + -1x2 + z2 = 164 + x2 + -164 + -1x2 Reorder the terms: -164 + -1x2 + z2 = 164 + -164 + x2 + -1x2 Combine like terms: 164 + -164 = 0 -164 + -1x2 + z2 = 0 + x2 + -1x2 -164 + -1x2 + z2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -164 + -1x2 + z2 = 0 The solution to this equation could not be determined.
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