Answer:
x = 2
Step-by-step explanation:
x + 3 = -x + 7
Add x to each side
x+x + 3 = -x+x + 7
2x+3 = 7
Subtract 3 from each side
2x = 7-3
2x = 4
Divide by 2
2x/2 = 4/2
x = 2
The values of k are 4,5,6
I hope this helps you
--29+30
+1
A) The equations are shown on the attached graph.
x = juice box cost
y = water bottle cost
B) Kara's proposed solution satisfies the first equation, but not the second one.
C) The solution is shown on the attached graph.
____
As a bonus, you get a graph for the other problem you posted. Please note this graph has some issues. Wherever there's a solid line ⌝ or ⌞ the actual shape of the graph should be the opposite one of these.
They would be perpendicular. hope this helps.