Question

Решите уравнение
(720+e)×501=365730
5t+30-2t=42
36×(x-3)=10-2×(x+2)

Answer 1

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