-5 (2x + 1) + 4x

Question

i do not understand combing and distributing like terms 

Answer 1

the -5 multiplies all terms inside the parentheses.

then combine like terms

 

-5(2x + 1) + 4x

 

-10x - 5 + 4x

 

The -10x and 4x are like terms. Their sum is -6x

 

Therefore we get -6x - 5