Question

2a+b
when a =1 and b=-3​

Answer 1

Answer:

2×1+3 answer is 5

Step-by-step explanation:

because 2 multiply 1+3

Answer 2

Answer:

$2a + b \\ \\ where \: a = 1 \: and \: b = - 3 \\ \\ by \: substituting \: values \\ \\ 2(1) + ( - 3) \\ \\ (here \: negative \: sign \: dominates) \\ \\ 2 - 3 = ( - 1)$

Step-by-step explanation:

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