Реши уравнения 690/(48-x)+50=73 (45+35)/x+43=47

Question

Реши уравнения 690/(48-x)+50=73 (45+35)/x+43=47

Answer 1

45+35)÷Х+43=47
80\Х= 47-43
80\Х=4
Х=20

Comments

а второе

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690\ (48-Х)=23

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да

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690 (48-Х)=23 48-Х=690\23 48-Х=30 Х=18