Question

cuanto es esto:

- 3x +4y + 8x – y =

b) 4x + 6y – 8z + 4 -- 5z – 5y =

c) 3xy + 3xy2 – x2 y + 13xy2 – 4xy =

d) 12x – 5y + 3z -- ( 12z + 3x – 4y + 6 ) =

e) -- ( 15x + 4y – z + w ) – ( -- 3z + 4y – y ) =

f) 4z5 + x – 5z4 – ( 12x + 4z – z5 ) =

g) -- [ 9 + 6x – ( 3x + 9y ) – 6 ( 2x – 9z ) ] – [ 6 ( 3z + 9x – 3y ) + 5x ]

h) [ 3 ( 9 + 6x – y ) + 6 ( x – z ) ] – 3 ( 6 + z ) – 6 ( 6z – x ) =

i) -- ( 5x – 6y + 9z – 4w + 6 ) – ( 4w + 9z – 3y – 8 ) =

j) ( -- 5 x + 8z – 4 y ) – ( -- 4 x + 5 z + 5 y )

Answer 1

a) 5x + 3y

b) 4x + y - 13z + 4

c) -xy + 16xy2 -x2y

d) 12x - 5y + 3z - 12z - 3x - 4y - 6 = 9x - 9y - 9z - 6

e) -15x - 4y + z - w + 3z - 4y + y = -15x - 8y + 4z - w

f) 4z5 + x - 5z4 - 12x - 4z + z5 = 5z5 - 11x - 5z4 + 4z

g) 9 - 9x - 9y + 54z - 18z - 54x + 18y - 5x = 9 - 68x + 9y + 36z

h) 27 + 18x - 3y + 6x - 6z - 18 - 3z - 36z + x = 9 + 25x - 45z
 
i) - 5x + 6y - 9z + 4w - 6 - 4w - 9z + 3y + 8 = -5x + 9y - 18z + 2

j) - 5x + 8z - 4y + 4x - 5z - 5y = -x + 3z - 9y