deedee3916
deedee3916 deedee3916
  • 03-09-2019
  • Mathematics
contestada

Complete the solution of the equation. Find
the value of y when x equals 17.
-6x + 7y = -39

Respuesta :

AndiM23 AndiM23
  • 03-09-2019

Answer:

9

Step-by-step explanation:

-6(17)+7(y)=-39

-102+7(y)=-39

transpose the -102 to the other side of equal sign and change its sign to "+".

7(y)=-39+102

7(y)=62

divide both sides of equal sign to 7 to cancel the 7 in "7(y)" so that the "y" stands alone.

7(y)/7 = 62/7

y=62/7

y=9

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