Question

calcule a sentença 2(3-y)+7(2-y)=15-4y.preciso de ajudaa!!

Answer 1

2 . (3 - y) + 7 . (2 - y) = 15 - 4y

6 - 2y + 14 - 7y = 15 - 4y

-2y - 7y + 4y = 15 - 6 - 14

-9y + 4y = 9 - 14

-5y = -5

y = -5/-5 > { - - = +}

y = 1

*****Bons Estudos****

Answer 2

Resposta:

2(3-y)+7(2-y)=15-4y
6-2y+14-7y=15-4y
-2y-7y+4y=15-6-14
-5y=-5
Y=1