Question

c) 3 (y -1) -4 (y-2) = 6​

Answer 1

Resposta:

3(y-1)-4(y-2)=6

3y-3-4y+8=6

3y-4y=6-8

-y=-2 *(-1)

y=2

Explicação passo-a-passo:

sinais

-*-=+

+*-=- vice versa

Answer 2

3 (y -1) -4 (y-2) = 6

3y - 3 - 4y + 8 = 6

- y + 5 = 6

- y = 6 - 5

- y = 1(-1)

y= - 1