KamdinA253218 KamdinA253218
  • 03-11-2022
  • Mathematics
contestada

solve equation. -2(y-1)=9

Respuesta :

JavarisK528960 JavarisK528960
  • 03-11-2022

y = -7/2

Explanation:

-2(y-1)=9​

expand the bracket:

-2 × y -2 × -1 = 9

-2y + 2 = 9

collect like terms:

-2y = 9 -2

-2y = 7

Divide both sides by -2:

-2y/-2 = 7/-2

y = -7/2

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