21-08-2020
Mathematics

contestada

Solve for y. -3 = 7 (y - 9/7)

Respuesta :

zarampa zarampa

21-08-2020

Answer:

y = 1

Step-by-step explanation:

y - 3 = 7 (y - 9/7)

y - 3 = 7*y + 7*-9/7

y - 3 = 7y - 9

y - 7y = 3 - 9

-6y = -6

y = -6/-6

y = 1

probe:

1 - 3 = 7(1 - 9/7)

-2 = 7*-2/7

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