(720+е)*501=365730
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5t+30-2t=42
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36*(x-3)=10-2*(x+2)
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Решить всё с проверкой

(720+ е)×501 =365730360720 + 501е=365730501е = 365730 -360720501е =5010Е = 5010 ÷ 501Е= 10(720+10) ×501 =365730360720 +5010 =3657305t +30-2t=423t=42-303t =12T=12÷3T=45×4 +30-2×4=4220+30-8=4236×(x-3)=10-2×(x+2)36x-108 =10 -2x-436x+2x=10-4+10838 x =114X= 114÷38X=336×(3-3)=10-2×(3+2)36×0=10-100=0