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B, though that may not be much help if B is not known!

Q: What would a C be if it said B equals C?

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by transitive property

If a=b and c=d then (a+c)=(b+d) ? This is proved very simply by the direct application of perhaps the most fundamental statement in all of Algebra: "If equals are added to equals, the sums are equal."

a = 20 b = 60 c = 100

a=24 b=16 c=18

2s-2b= a+b+c-2b simplified that would be a+c-b.

Related questions

a - b = c -(a - b) = -c b - a = -c

This is true. As it is the same number for A and B so taking C from one would be the same as taking C from the other.

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

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

A.

A=B , A-B=B-B , A-B =0 B=C , B-B=C-B, 0=C-B So A-B=0 but also C-B=0 A-B=C-B ...add +b ...A-B+B=C-B+B , A=C

by transitive property

Yes.

If a=b and c=d then (a+c)=(b+d) ? This is proved very simply by the direct application of perhaps the most fundamental statement in all of Algebra: "If equals are added to equals, the sums are equal."

a = 20 b = 60 c = 100

A=0 b=0 c=0

The transitive property of equality says that if a=b, then b=c.If a=b and b=c, then a=cTo Prove:Using the equation:a=bsubstituting the value of b in terms of c:which is: b=ctherefore:a=ba=(c)a=c