Question

Please help I'm not good at equations. I think the answers 3 tho? But not sure..
Solve for y.

7y - 6y - 10 = 13

y = -23
y = -3
y = 3
y = 23

Answer 1

7y - 6y - 10 = 13
y - 10 = 13
y = 13 + 10
y = 23

answer
y = 23

Answer 2

it's the last one. y=23

7x23=161
-
6x23=138
-
10
=13

y=23