Question

What is the y-value of the solution to the system of equations {3x+4y=42x−4y=6?

Answer 1

The value of y for the system of equation is -1/2 .

What is a System of Equation ?

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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