Question

1.5×(2-y)+3y=9
помогите

Answer 1

$1.5 \times (2 - y) + 3y = 9$
$30 - 1.5y + 3y = 9$
$30 + 1.5y = 9$
$1.5y = 9 - 30$
$1.5y = - 21$
$y = - 14$

Answer 2

1,5×(2-y)+3y=9
3-1,5y+3y=9
3+1,5y=9
1,5y=9-3
1,5y=6
y=4