Question

evaluate the expression when (a = 6) and (x=-3). (-a + 4x)

Explanation:

Step1: Substitute values

Substitute $a = 6$ and $x=-3$ into $-a + 4x$.
$-6+4\times(-3)$

Step2: Calculate multiplication

First calculate $4\times(-3)=-12$.
$-6+( - 12)$

Step3: Calculate addition

$-6+( - 12)=-6 - 12=-18$

Answer:

$-18$