Question

-8y - (4x - 3) - y + 9x

Explanation:

Step1: Distribute the negative sign

$-8y - 4x + 3 - y + 9x$

Step2: Combine like x-terms

$-4x + 9x = 5x$
Expression becomes: $5x -8y +3 - y$

Step3: Combine like y-terms

$-8y - y = -9y$
Expression becomes: $5x -9y +3$

Answer:

$5x - 9y + 3$