Respuesta :
Simplify the following:
x - 4 x - 5 + 8
Grouping like terms, x - 4 x - 5 + 8 = (8 - 5) + (x - 4 x):
(8 - 5) + (x - 4 x)
x - 4 x = -3 x:
-3 x + (8 - 5)
8 - 5 = 3:
3 - 3 x
Factor 3 out of 3 - 3 x:
Answer: 3 (1 - x) or 3 - 3x
Simplify 8 – 4x – 5 + x.
Simplify the following:
x - 4 x - 5 + 8
Grouping like terms, x - 4 x - 5 + 8 = (8 - 5) + (x - 4 x):
(8 - 5) + (x - 4 x)
x - 4 x = -3 x:
-3 x + (8 - 5)
8 - 5 = 3:
3 - 3 x
Factor 3 out of 3 - 3 x:
Answer: 3 (1 - x) or 3 - 3x