Answer:
No
Step-by-step explanation:
To check if (2,3) is a solution to the system of equations, we simply have to plug the coordinate points into the two equations and see if it is valid.

(2,3) belongs in the first equation.

(2,3) does not belong in the second equation.
<u>Therefore, (2,3) is not a solution to this system of equations.</u>
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<em>I hope this helps! Let me know if you have any questions :)</em>
Answer:
Let the original number be x.
Thus,

So, The original number is 12.
Answer:
0.2
Step-by-step explanation:
U need to count how many times it goes up and divide 0.4 by 2