Question

Evaluate: 3a + 4b -5 when a = - 1 and b = 2​

Answer 1

Answer:

3a+4b-5

a=-1, b=2

3(-1)+4(2)-5=

-3+8-5=

-8+8=

0

Answer 2

Step-by-step explanation:

$3a + 4b - 5 \\ 3( - 1) + 4(2) - 5 \\ - 3 + 8 - 5 \\ - 8 + 8 \\ = 0$

Plz make me brainliest

drop some thanks.