ShìnshìàSabaku ShìnshìàSabaku

01-02-2017
Mathematics

contestada

Simply:
6(x+2)+3(x-9)

Respuesta :

01-02-2017

6(x+2) = 6x + 12
3(x-9) = 3x - 27

6x + 12 + 3x - 27 = 9x - 15

The answer is 9x - 15

Answer Link

Аноним Аноним

01-02-2017

6(x + 2) + 3(x - 9)

6(x + 2) = 6 * x = 6x , 6 * 2 = 12
6x + 12

3(x - 9)= 3 * x = 3x , 3 * -9 = -27
3x - 27

6x + 12 + 3x - 27=

6x + 3x = 9x
12 - 27 = -15

Answer: 9x - 15

Answer Link

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