Question

resposta da equaçao de 20 x - 8 - 5 x = 7

Answer 1

20x - 8 - 5x = 7

15x = 7 + 8

15x = 15

x = 15/15

x = 1

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Answer 2

20x - 8 - 5x= 7
20x -5x= 7 + 8
15x = 15
X=15/15
X= 1