(720+е)*501 = 365730
360720+501е= 365730
201е = 5010
е=10
5т+30-2т=42
3т = 12
т=4
36*(х-3)=10-2*(х+2)
36х-108 = 10-2х-4
38х = 114
х=3
720+е=365730/501
720+е=730
е=730-720
е=10
5t+30-2t=42
3t+30=42
3t=12
t=4
36(x-3)=10-2(x-2)
36x-108=8x+16
36x-108-8x-16=0
28x-124=0
28x=124
x=124/28
