Math, asked by HomeworkQueen, 5 months ago

If a = 5, b = 4, and c = 7, find the value for 3(b + a) – c.

I don't understand half of these questions on this exammmmmm pleaseeeee help quickkkkk

Answers

Answered by harshulsinhmar
0

Answer:

=3(4+5) -7

=27-7

=20 ....

Answered by chiamac19
0

Step-by-step explanation:

By direct algebric method, or BODMAS

a = 5

b = 4

c = 7

3(b + a) - c

3(4 + 5) - 7

3 × 9 - 7

27 - 7

20

Also, By distributive method, here also BODMAS is used,

3(b + a) - c

3 × b + 3 × a - c

3 × 4 + 3 × 5 - 7

12 + 15 - 7

27 - 7

20

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