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B= 2A and 2C=A if A+B+C= 7 find C

Sagot :

The value of C is 1.

What is equation?

An equation is a mathematical expression that contains an equals symbol. Equations often contain algebra.

For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.

Given:

B= 2A and 2C=A

c= A/2

Also, A+B+C= 7

Now,

A+B+C= 7

A + 2A + A/2 = 7

3A + A/2 = 7

7A / 2 =7

7A = 14

A= 2

So, C= A/2 = 1

Hence, the value of C is 1.

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