richardelizabeouowx7 richardelizabeouowx7
  • 21-09-2018
  • Mathematics
contestada

F(x+2)= 3x +5 find the value

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esraax
esraax esraax
  • 21-09-2018
If F wasn't unknown cause it cannot be then:
x+2 = 3x+5
-2x = 3
x = -3/2
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smarty6685
smarty6685 smarty6685
  • 21-09-2018
x+2=3x-5
3x-5=x+2
3x-x=2+5
2x=7
x=7/2
Answer Link

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