Question

The sum of 3x,4x,-9x,12x,and -6x is 4x
true or false​

Answer 1

Answer:

$3x + 4x + ( - 9x) + 12x + ( - 6x) \\ = 19x - 15x \\ = 4x$

So that is true

Answer 2

Answer:

$3x + 4x + ( -9x) + 12x + ( - 6x) \\ \\ = 7x - 9x + 12 x - 6x = - 2x + 6x = 4x$

HENCE IT IS TRUE..