Solve the formula for the indicated variable. The formula for the perimeter P of a triangle with sides of length a, b, and c is P=a+b+c. Solve the formula for b.

b = p - a -c  

Step-by-step explanation:

p= a + b + c  Solving for b means getting b on one side by itself.

p = a + b + c    To solve for b first subtract a from both sides to get,

-b         -b

p - a =  b + c   Now subtract  c from both sides   to get

-c              -c

p - a - c = b

b = p - a -c

Step-by-step explanation:

Perimeter P = a + b + c

find b

P - a - c = b

b = P - a - c

answer: 40.95

step-by-step explanation:

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