August 2021 0 13 Report
Построить график уравнения: а) 3(х-2)-4(у+2) = -2
б) (х/3) + (у/5) = 14/15 (это дроби)
в) (7+х)/5 +(2х-у)/4 = 3/10
г) (х-у)/4 + (х+у)/5 = (х-1)/10
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