Question

Simplify - 4x - (4 - 3x) + X-9-8x-1310x-9-13-5

Answer 1

$-4x-(4-3x)+x-9$

To simplify:

1- Remove parenthesis: The negative sing before a parenthesis change the symbols of the terms in the parenthesis:

$=-4x-4+3x+x-9$

2-Combine like terms: Like terms are terms whose variables and their exponents are the same:

$\begin{gathered} =-4x+3x+x-4-9 \\ =0x-13 \\ \\ =-13 \end{gathered}$Then, the given expression simplified is equal to -13