Respuesta :
PEMDAS
10x -40 +15 = -15
-10x -10x
________________
-40 +15 = -15 - 10x
+15 +15
________________
-40 + 15 +15 = -10x
_______________
-40 + 30 = -10x
_____________
-25 = -10x
+10 +10
________
-15 = x
Hopefully this all makes sense to you ☺
10x -40 +15 = -15
-10x -10x
________________
-40 +15 = -15 - 10x
+15 +15
________________
-40 + 15 +15 = -10x
_______________
-40 + 30 = -10x
_____________
-25 = -10x
+10 +10
________
-15 = x
Hopefully this all makes sense to you ☺
Answer:
x = 1
5 (2x - 8) + 15 = -15
5 (-6) + 15 = -15
-30 + 15 = -15
Hope This Helps!