Respuesta :

Answer:

m = -5

Step-by-step explanation:

m - 5 = -10    (add 5 to both sides)

m - 5 + 5= -10 + 5

m = 5 - 10

m = -5

Answer:

-5

Step-by-step explanation:

5+5=10 so -5+-5=-10

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