Respuesta :

ZJSG09112007

Answer:

f =27

Step-by-step explanation:

[tex]12 = f - 13-2[/tex]

Collect like terms and simplify

[tex]12+13+2 = f\\27 =f[/tex]

Switch sides

[tex]f = 27[/tex]

Nirojxaudhary

Answer:

27

Step-by-step explanation:

12=f-13-2

12=f-15

12+15=(f-15)+15

27=f-15+15

27=f

f=27

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