Respuesta :

(-3.4x+4.7)-(3+2.9x)=

distribute

-3.4x +4.7 - 3 -2.9x=

combine like terms

-3.4x -2.9x +4.7 -3

-6.3x+1.7

First you need to remove the parenthesis ,and then combine or put together the like terms .Then after doing this you can find the difference:

-3.4x+4.7 - 3+2.9x

Next Simplify : -3.4x+4.7-3-2.9x:

You'll get a final answer of  : --6.3x+1.7