Respuesta :
The answer should be M = -12
-8 + m = -20
Add similar terms
-20 + 8 = -12
M = -12 should be correct.
-8 + m = -20
Add similar terms
-20 + 8 = -12
M = -12 should be correct.
Answer:
m=−12
−8+m=−20
Add 8 to both sides.
m=−20+8
Add −20 and 8 to get −12.
therefore are answer is m= -12