100 Most Beautiful Secret Areas in China

100 Most Beautiful Secret Areas in China

Matematika Quizz :

2x + 3y - x - 2y = ...

.
Poin random​

Quizz :

2x + 3y - x - 2y = ...

.
Poin random​

2x + 3y - x - 2y = x + y

_________________________

2x + 3y - x - 2y

= (2 - 1)x + (3 - 2)y

= 1x + 1y

= x + y

Penjelasan dengan langkah-langkah:

2x + 3y - x - 2y =

= (2x - x) + (3y - 2y)

= (2x - 1x) + (3y - 2y)

= (2 - 1)x + (3 - 2)y

= 1x + 1y

= x + y

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