Question

Evaluate 2a +6b-3c if a =3,b= -1, c=3​

Answer 1

Answer:

2×3+6×(-1) -3×3

6+(-6) -6

6-6-6

0

Answer 2

Answer:

a = 3 , b = -1 , c = 3 ..(given)

now,

= 2 x 3 + 6 x (-1) - 3 x 3

= 6 + (-6) - 6 ( (-) sign change (+) )

= 6 + (12)

= 18

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