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2a. (a, b and c are all equal.)

Q: If a equals b and b equals c then what does c plus b equals?

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the answer is a

A.

A=0 b=0 c=0

b + b + b + c + c + c + c = 3b + 4c

x + y + z = 0 x = a - b, y = b - c, z = c - a, therefore a - b + b - c + c - a = ? a - a + b - b + c - c = 0

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a= (+a) or a= (-) b= 2a b= 2a c= (-a) c= (+a)

the answer is a

Because there is no way to define the divisors, the equations cannot be evaluated.

A.

a=24 b=16 c=18

A=0 b=0 c=0

b + b + b + c + c + c + c = 3b + 4c

a = 20 b = 60 c = 100

A+c= 2a+b

7.5

x + y + z = 0 x = a - b, y = b - c, z = c - a, therefore a - b + b - c + c - a = ? a - a + b - b + c - c = 0

Ax + B = Bx + C Ax - Bx = (C - B) x (A - B) = (C - B) x = (C - B) / (A - B)