Question

Please answer fast ​

Answer 1

Answer:

15 + 5x=0

5x= -15

x= -15÷5

x= -3

Answer 2

Answer:

-3

Step-by-step explanation:

15+5x=0

5x=0-15

5x=-15

x= -15/3

   -3

also we know that when we add a negative with a positive we get 0

so 15 + what multiplied by 5 gives u -15

it is -3