Answer:
49-7F
Step-by-step explanation:
F(7)+xF=2x+5x
F(7)+xF=7x
F(7)=7x-xF
F(7)=x(7-F)
substitute x=7 in the equation above
Therefore, 7(7-F)
=49-7F
are those 3 different question of just one?
The answer is y = -13/7 + 3x/7
Answer: 0
Substituting in x=0, we get
