Question

Give an expression to 2.5 x +(-5x) -2.5 by combining like terms. PLEASE I NEED THIS RIGHT NOW

URGENT

Answer 1

- 5x

Explanation:

note that + (-) = -

2.5x + (- 5x) - 2.5

= 2.5x - 5x - 2.5 ← collect like terms

= 2.5 - 2.5 - 5x

= 0 - 5x

= - 5x