Respuesta :

josshyaby

Answer:

Step-by-step explanation:

21-6x=27-8x

Collecting like terms

8x - 6x = 27 - 21

2x = 6

x = 6/2

x = 3
21-6x=27-8x
-6x+8x=27-21
2x=27-21
2x/2=6/2
X=3

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