Respuesta :

Erlea

Answer:

-5x = 20

x= - 4 ( if your question is finding the value of "x"

anjusunar59

Answer:

-4=is the answer

Step-by-step explanation:

here,

7x - 12x = 13 + 7

or, -5x = 20

or, -x = 20

5

or, x =-4

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