Question

ajuda por favor obrigada

Answer 1

2 . 6y - 7y = -10
12y- 7y = -10
5y = -10
y= -10/5
y= -2

Answer 2

2.6y-7y=-10
12y-7y=-10
5y=-10
y= -10/5
y=_2

x=6(-2)
x= +12