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rosijanka [135]
2 years ago
14

A=-2(negative 2) b=3 and c=5 what is 3ac-a+2b.With explanation

Mathematics
1 answer:
KIM [24]2 years ago
6 0

Step-by-step explanation:

a = -2

b = 3

c = 5

<h2>Question:</h2>

3ac - a + 2b

= Solution,

= 3 ( - 2 ) × 5 - ( - 2 ) + 2 × 3

here ... ( + ) × ( - ) = ( - )

= - 6 × 5 - ( - 2 ) + 2 × 3

here .... ( - ) × ( - ) = ( + )

= - 6 × 5 + 2 + 2 × 3

= - 30 + 2 + 6

= - 30 + 8

here the ( - ) have greater variable so...

= - 22

hence - 22 is the answer . ....

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