The expression is equivalent to -8y + 7x.
Given
Expression; (-3y - x) - (5y - 8x)
To find the equivalent expression multiply the expression and add and simplify.
Then,
The expression is equivalent to;
(-3y - x) - (5y - 8x)
-3y - x - 5y + 8x
-8y + 7x
Hence, the expression is equivalent to -8y + 7x.
To know more about expression click the link given below.
https://brainly.com/question/13040575
