Question

2y-(-6+3y)=4y-{-y+(5y+4)}

Answer 1

2y - (- 6 + 3y) = 4y - {- y + (5y + 4)}

2y + 6 - 3y = 4y - {- y + 5y + 4}

2y + 6 - 3y = 4y - {4y + 4}

2y + 6 - 3y = 4y - 4y - 4

- y + 6 = - 4

- y = - 4 - 6

- y = - 10

y = 10

Solución : 

y = 10