3 years ago

Help me on this math question please

Mathematics

1 answer:

Debora [2.8K]3 years ago

3 0

Answer:

its answer is 20

Step-by-step explanation:

as we know,

a=5

b=4

c=7

now,

3(b+a)-c

= 3(4+5)-7(here,putting the value of a,b&c)

=3×9-7

=27-7

=20.

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