A+3b = 7, c= 3 , then the value of a+3 (b+c ) =............ a) 10 b) 16 c) 21 d) 30 step by step pls

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asked Feb 27, 2021 12.1k views

5 votes

A+3b = 7, c= 3 , then the value of a+3 (b+c ) =............

a) 10
b) 16
c) 21
d) 30
step by step pls

Mathematics
high-school

Thedanielhanke asked

by Thedanielhanke

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See attachment for math work.

A+3b = 7, c= 3 , then the value of a+3 (b+c ) =............ a) 10 b) 16 c) 21 d) 30 step-example-1

Ryan Carter answered Feb 28, 2021

by Ryan Carter

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3 votes

Answer:

Explanation:

a+ 3(b + c)

a + 3b + 3c

but a + 3b = 7 and c = 3

7+3(3)

7 + 9

=16

Johnsonium answered Mar 4, 2021

by Johnsonium

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