Y-4-4y= -1. Somebody help please

Y=-1

Step-by-step explanation:

Y-4-4Y=-1

-3Y=-1+4

-3Y=3

Y=3÷-3

Y=-1

y = -1

Step-by-step explanation:

y - 4 - 4y = - 1   Combine like terms

y - 4y - 4 = - 1

-3y - 4 = - 1 Add 4 to each side

-3y - 4 + 4 = -1 + 4

-3y = 3 Divide each side by -3

-3y/-3 = 3/-3

y = -1

Ok so, I'll answer it directly

Step-by-step explanation:

180°-(47°+77°)

180°-124°

=56°

so