Respuesta :

Answer:

20

Step-by-step explanation:

Substitute the given values:

A= 4

B= 3

C= 2

5(a+b)-3(b+c)

5(4+3)-3(3+2)

Add the numbers:

5(7)-3(5)

5•7 = 35 and 3•5= 15

35-15 =20
Substitute a,b,c value in the equation
5(a+b)-3(b+c)=
5(4+3)-3(3+2)=
5(7)-3(5)=
35-15=
20

so the answer is A. 20

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