andresruizuribe
andresruizuribe
12-12-2017
Mathematics
contestada
solve for b A= \frac{a+b}{2}
Respuesta :
jimthompson5910
jimthompson5910
12-12-2017
A = (a+b)/2
2*A = 2*(a+b)/2 ... multiply both sides by 2
2A = a+b
2A-a = a+b-a ... subtract 'a' from both sides to isolate b
2A-a = b
b = 2A-a
Answer:
b = 2A-a
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