Respuesta :

Step-by-step explanation:

-5x=-7+8

-5x=-1

x=-5

-1

x=5

Answer:

its easy.

Step-by-step explanation:

-5x+8= -7

or, -5x= -7-8

or, -5x= -15

now the minus sign is cancled

or, 5x=15

or, x= 15÷5

therefore, x=3

here's the answer for you