rin51
rin51 rin51
  • 22-12-2021
  • Mathematics
contestada

how do i get all 4 marks with this question??

how do i get all 4 marks with this question class=

Respuesta :

rspill6
rspill6 rspill6
  • 24-12-2021

Answer:

Step-by-step explanation:

The formula in the response bar seems incorrect.  The question asks for a value of A 3 times that of B.

That means   A = 3B

(7x-6) = 3(3x + 2)   [The formula in the response box has 3(7x-6) = (3x + 2)]

7x - 6 = 9x + 6

-2x = 12

x = -6

A:  (7x-6)

     (-42-6) = -48

B:   (3x + 2)

      (-18 + 2) = -16

Does A = 3B?

       (-48) = 3*(-16) ??

       YES

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