Question

4y+15,7-2y-7,09-y=16-4,3

Answer 1

y=11.7-15.7+7.09

y=3.09

Answer 2

по действеям

Answer 3

$y+8.61=16-4.3$

$y+8.61=11.7$

$y=11.7-8.61$

$y=3.09$