Решите уравнение.15/16•(2/3x+4/7)=5/8

Question

Решите уравнение.15/16•(2/3x+4/7)=5/8

Answer 1

15/16(2/3х+4/7)=5/8
15×2/16×3 + 15×4/16×7 - 5/8 = 0
5/8х+15/28-5/8=0
35/56х+30/56-35/56=0
35/56х=5/56
Х=1/7

Answer 2

Решение смотри во вложении

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