Gabriella is x years old . her sister felicia is six years older than she is. their mother is twice as old as felicia. their aunt tanya is x years older than their mother. write and simplfy an expression that respresents tanyas age in years

Gab ---- x

Fel ------ x+6
Mom ---- 2(x+6)
aunt tanya --- 2(x+6) + x = 2x + 12 + x = 3x + 12