Даю 15б ток помогите

Question

Даю 15б ток помогите

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Answer 1

4/15:х=2/5
х=4/15:2/5
х=2/3

2/15у+3/4=5/6
2/15у=5/6-3/4
2/15у=1/12
у=1/12:2/15
y=15/24=5/8

5/8m-7/12m+5/6m=1/4
21/24m=1/4
m=1/4:21/24
m=6/21

Comments

ПОМОГИ ПЖЖ

Answer 2

A)х=4/15:2/5
х=2/3

б)2/15y=5/6-3/4
    2/15y=10-9/12
    2/15y=1/12
    y=1/12:2/15
    y=1*15/12*2
    y=5/8

Comments

помоги мне пж