Question

Helpp me , please !!​

Answer 1

Answer:

s = -15

Step-by-step explanation:

-12 + (-18) = -30

-30= 2s

-15 = s

Answer 2

-12 + (-18) = 2s

-12 - 18 = 2s

-30 = 2s

2s = -30

s = -15