richardelizabeouowx7 richardelizabeouowx7

21-09-2018
Mathematics

contestada

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

Respuesta :

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

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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