- 1 + 2у - 2 + 6 - у
у + 3
при у = - 2 1/2
- 2 1/2 + 3 = 1/2
-1-2у-2-7у=-3-9у-3-9*2 1/2= -3-22 1/2= -25 1/2
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- 1 + 2у - 2 + 6 - у
у + 3
при у = - 2 1/2
- 2 1/2 + 3 = 1/2
-1-2у-2-7у=-3-9у
-3-9*2 1/2= -3-22 1/2= -25 1/2