Respuesta :
Answer:
Well, -5 - 10 is 15 so that makes x -5.
5 x -5 = 25, and 25 - 30 = -5, making the answer -5
Answer: 5x-30= -55
Step-by-step explanation:
×-10=-15
Make x the subject
X=-15+10
×=-5
Substitute x=-5 in the equation 5x-30
5(-5)-30
-25-30
=-55