Реши уравнение 25х+9х+5х=390

Question

Реши уравнение
25х+9х+5х=390

Comments

25х+9х+5х=390

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39х=390

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х=390/39

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х=10

Answer 1

25x+9x+5x=390
39x=390
X=390/39
X=10

Comments

спосибо!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!:-)

Answer 2

X=390/(25+9+5)
x=390/39
x=10