Answer:
-14
Step-by-step explanation:
f(-5)=5(-5)+11
f(-5)= -25+11
f(-5)= -14
Answer:
Step-by-step explanation:
4x+y=14
x-2y=8
then;
x=8-2y
substitute;
4(8-2y)+8-2y=14
32-8y+8-2y=14
40-10y=14
26=10y
y=2.6 , work out 4x+2.6=14 to get x
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Answer:
![14](https://tex.z-dn.net/?f=14)
Step-by-step explanation:
![1+b](https://tex.z-dn.net/?f=1%2Bb)
We know that
so we put that into our equation.
![1+13](https://tex.z-dn.net/?f=1%2B13)
Add:
![14](https://tex.z-dn.net/?f=14)