Answer:
x = -3 is the answer. Writing this cause brainly requires a 20 character answer.
The Correct Answer Is f(x)=2.5x+5
<em> x−y = 9 , x + y = 6</em>
<em>x + y = 4 , x − y = 2</em>
<em>x + 2 y = 4 , x − y = − 3 </em>
<em>try out these examples?</em>
<em />
