July 2022 0 55 Report
решить уравнение ( подробно)

2*(x+2.5)-4*(1.5-1)=-3
3*(1.6x-0.2)-2*(0.6x+2.5)=x+2.2
1.8*(5-2x)-2*(0.8x+2.5)=8-1.2x
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