Question

15x + 7= -10x-18 por favo

Answer 1

Olá!
15x+10x= -18-7
25x= -25
x= -25/25
x= -1

Answer 2

15x+7= -10x -18
15x=-10x -18-7
15x= -10x -25
15x+10x= -25
25x= -25
x= -25/25
x= -1