Question

1) 2/5x + 2 + 2,6x = 15/3 . 2) 5y - 15/2 - 5/2 = 0,5 .

Answer 1

Ответ:

1) $1$

2) $2.1$

Пошаговое объяснение:

1) $\dfrac{2}{5} x + 2 + 2.6x = \dfrac{15}{3}$

$3x = 3$

$x = 1$

2) $5y - \dfrac{15}{2} - \dfrac{5}{2} = 0.5$

$5y = 10.5$

$y = 2.1$