Answer: k = -9
Step-by-step explanation:
-126 = 14k
------- -------
14 14
-126 divided by 14 = -9
k = -9
Answer:
4
x
−
5
+
y
=
0
x
−
y
+
4
=
8
x
+
6
y
=
5
Step-by-step explanation:
Answer:
23
Step-by-step explanation:
If you have something that says it is the f(x) or just f(something) then that is just telling you what the x equals. In this case, x=4 so you plug that into the equation.
This gives you f(4)=4(4)+7. From here, you will use the order of operations to solve.
f(4)=4*4+7
f(4)=16+7
f(4)=23
Answer: 
Step-by-step explanation:
Given



from the figure, we can write
