Question

(720+е)*501=365730    5t+30-2t=42     36*(х-3)=10-2*(х+2)

решить уравнения

Answer 1

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3c3dc4bc57566dd78c31c65e19693379.doc

Answer 2

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

3c3dc4bc57566dd78c31c65e19693379.doc