Question

(-4r + 2s - t) - (2r + s - 5t)
What is the difference of the expression above?

Answer 1

-6r + s + 4t

-4r + 2s - t - 2r - s + 5t
-6r + s + 4t

Answer 2

Answer: -2r - s + 4t

Step-by-step explanation:

(-4r + 2s - t) - (2r + s - 5t)

Expand the bracket

= -4r + 2s - t - 2r - s + 5t

Join like terms

= -4r - 2r + 2s - s - t + 5t

= -2r - s + 4t