Question

помогите решить уравнение

Answer 1

5х-15-2х+14+14х+42=7
5х-2х+14х=15-14-42+7
17х=-34
х=-32:17
х=-2

Answer 2

а)

Answer 3

11y-44+50-30y-12+9y=-6
11y-30y+9y=-6+44-50+12
-10y=-12
y=-12/(-10)
y=1,2