The value of y for the system of equation is -1/2 .
<h3>What is a System of Equation ?</h3>
A system of equation is a set of equation that have common solution
The set of equation given is
3x+4y=4
2x−4y=6
To solve the system , Elimination method will be used
Add equation 1 and 2 to eliminate y
5x = 10
x = 2
Substitute the value of x in equation 1 to determine y
3x +4y = 4
6 + 4y = 4
4y = -2
y = -1/2
Therefore the value of y for the system of equation is -1/2 .
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C=15+X
C being the total cost. Starting at $15 plus an additional $1 (seen as X in the equation) for each student.
Answer: 6.81818
Step-by-step explanation:
b – 2a – c
a = –7
b = 3
c = –7
3-2 (-7)-(-7)
3+14+7
17+7=24