Question

Elimina los Signos de Puntuación.

1. 2x- (3y-5z)


2. {5x- (3y+[-2x+8])}


3. [-4 (2xy+3) + {2- xy -- (5 + xy --2 yz)}]


4. 4x +(-2y-z)

Answer 1

1. 2x-3y+5z

2. {5x-(3y-2x+8)} = {5x-3y+2x-8} = 7x-3y-8

3. [-8xy-12+{2-xy+5+xy+2yz}] = [-8xy-12+7+2yz] = -8xy-5+2yz

4. 4x-2y-z