Решите уравнение( х-1)/7=(2х+1)/15

Question

Решите уравнение( х-1)/7=(2х+1)/15

Answer 1

(x-1)/7=(2x+1)/15
14x+7=15x-15
-x=-22
x=22

Answer 2

15(x-1)=7(2x+1)
15x-15=14x+7
15x-14x=7+15
x=22

Comments

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