nayao
nayao nayao
  • 12-11-2020
  • Mathematics
contestada

URGENT SOMEONE HELP PLEASE!!

URGENT SOMEONE HELP PLEASE class=

Respuesta :

hydrgn
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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