2y-5 -----=3y+21 y +5 ----- 2y+1

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вопрос

To solve these equations, first set the left sides of each equation equal to each other:

2y - 5 = 3y + 21

Next, subtract 2y from both sides:

-5 = y + 21

Subtract 21 from both sides:

-26 = y

Therefore, the solution for the first equation is y = -26.

Now, set the left sides of the second equation equal to each other:

y + 5 = 2y + 1

Subtract y from both sides:

5 = y + 1

Subtract 1 from both sides:

4 = y

Therefore, the solution for the second equation is y = 4.