7(3у-5)=10(3-2у) решите уравнения

Question

7(3у-5)=10(3-2у) решите уравнения

Comments

21y-35=30-20y

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а дальше?

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21y-35=30-20y

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21-35=30-20y; 41y=65;y=65/41

Answer 1

7(3у - 5)=10(3 - 2у) 
21y - 35 = 30 - 20y
21y + 20y = 30 + 35
41y = 65
y = 65 : 41 
y = 65/41

Comments

65/41=1 целая 24/41