There are 24 students in a science class.Mr.Sato will give each pair of students 3 Magnets.So far,Mr.Sato has given 9 pairs of s
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For this case we must solve the following system of equations:
We multiply the first equation by -2:
We add the new equation with the second one:
We have different signs subtracted and the sign of the major is placed:
Now we find the value of the variable "y":
Thus, the solution of the system is given by:
Answer:
You can distribute the q to both terms to get