Question

If a= -1 ;b= -2 find the value : 2a-2b-4-5+a​

Answer 1

Answer:

2×(-2)-2×(-2)-4-5+(-1)

-4-(-4)-4-5-1

-4+4-9-1

-10 Ans

Answer 2

Step-by-step explanation:

$a = - 1 \: \: ; \: \: b = - 2 \\ \\ 2a - 2b - 4 - 5 + a \\ 2( - 1) - 2( - 2) - 4 - 5 + ( - 1) \\ = - 2 + 4 - 4 - 5 - 1 \\ = \underline{ \underline{ \bf - 8}}$