Question

Which expression is equivalent to (–2y – x) – (5y – 9x)?

Answer 1

Answer:

8x-7y

Step-by-step explanation:

(–2y – x) – (5y – 9x)

Distribute the minus sign

-2y -x -5y +9x

Combine like terms

-x +9x - 2y -5y

8x-7y

Answer 2

Answer:

$8x-7$

Step-by-step explanation:

$(-2y - x) - (5y - 9x)$

Distribute the negative sign.

$(-2y - x)-5y+9x$

$-2y - x-5y+9x$

$-2y -5y+9x- x$

Add or subtract like terms.

$-7y+8x$