(720+е)*501=365730 5t+30-2t=42 36*(х-3)=10-2*(х+2) решить уравнения
(720+е)*501=365730 720+е=365730:501 720+е=730 е=10 2. 5t+30-2t=42 3t+30=42 3t=12 t=4 3. 36*(x-3)=10-2*(x+2) 36x-108=10-2x-4 36х+2х=10-4+108 38x=114 x=3 x=
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