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4 votes
Pls help

Question is in the picture

Pls help Question is in the picture-example-1
User DavidA
by
7.1k points

1 Answer

1 vote

Answer:

c = 9-a+b

Explanation:

sqrt( a-b+c) = 3

Square each side

(sqrt( a-b+c))^2 = 3^2

a-b+c = 9

We want to solve for c

Subtract a from each side

a-b+c -a = 9-a

-b+c = 9-a

Add b to each side

-b+c+b = 9-a+b

c = 9-a+b

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