Question

A + A + A = 39
B + B - A = 25
6 + C + B = 50
A + B + C = ?

Answer 1

Answer:

1. A=13
2. B=19
3. C=25
4. A+B+C=57

Answer 2

Answer:

A+B+C = 57

Explanation:

A+A+A=39. 3A=39. A=13

B+B-A=25. 2B-A=25. 2B=38. B=19

6+C+B=50. C=50-25. C=25

A+B+C= 13+25+50= 57.