nayao
nayao
12-11-2020
Mathematics
contestada
URGENT SOMEONE HELP PLEASE!!
Respuesta :
hydrgn
hydrgn
12-11-2020
a = 2b + 6 — (1) [given]
a = 9b - 8 — (2) [given]
a = a
sub. in the eqns (1) and (2)
2b + 6 = 9b - 8
collect like terms :
6 + 8 = 9b - 2b
14 = 7b
b = 2
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