Question

sabendo 3b+5d=4 e d -b=4, determine o valor de b+d/37

Answer 1

3b + 5d = 4
d - b = 4 --> d = 4+b

3b+5(4+b) = 4
3b+20+5b = 4
8b = 4-20
8b = -16
b = -16/8
b = -2

d = 4+b
d = 4-2
d = 2

d+b/37 = 
2-2/37 = 
(37*2 - 2)/37 = 
(74-2)/37 = 72/37