Question

SIMPLIFICA LAS SIGUIENTES EXPRESIONES
49. 2(x-y)-x
51. 4[2(x+1)-3]
53. x[-3(-4+5)+3]
54. 4[x(2-5)-2(1-2x)]

Answer 1

2(x - y) -x
8x - 4
0
4x - 8

Answer 2

49. 2(x-y)-x
2x-2y-x= x-2y

51. 4[2(x+1)-3]
4[2x+2-3]
8x+8-12
8x-4

53. x[-3(-4+5)+3]
x[12-15+3]
12x-15x+3x=0

54. 4[x(2-5)-2(1-2x)]
4[2x-2x-2+4x]
8x-8x-8+16x= 16x-8