Question

1) Simplify and find the value of the given algebraic expression:
2a-5b-4+ a ; if a=-1 b=0
​

Answer 1

if a = -1 and b=0

then 2a -5b-4+a = 2×(-1)-5×(0)-4+(-1)

= -2-0-4-1

= -7

Answer 2

The correct answer is "-1".

Step-by-step explanation:

$The \ given \ expression \ is :\\\\2a-5b-4+a\\\\a=-1 \ and \ b=0\\\\On \ putting \ the \ values \ in \ the \ above \ expression,we \ get\\\\=2(-1)-5(0)-4+(-1)\\\\=-2-0-4-1\\\\=-6-1\\\\=-7$

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