C bcz i had l
this last month and it was correct
Answer: The point of intersection is (0,4).
Step-by-step explanation:
So you will need to solve for x and y before evaluating 2x+y....
2x-y=9, y=2x-9 now this will make 4x^2-y^2=171 become:
4x^2-(2x-9)^2=171
4x^2-(4x^2-36x+81)=171
36x-81=171
36x=252
x=7, now we can use 2x-y=9 to solve for y...
2(7)-y=9
14-y=9
-y=-5
y=5
now we know that x=7 and y=5, 2x+y becomes:
2(7)+5
14+5
19
Answer:
write complete question
Step-by-step explanation:
but where's your expression???
write that expression..
so,I can solve that
Answer:
f(x)= 4(x)+15=71
X=14
Step-by-step explanation:
to find "x" you could do this
71-15=56 then 56/4=14 , x=14
