What is the solution of the system of equations?

4x-3y=15

2x+2y=4

1. Solve for x in 4x-3y=15

X=3 (5+y) / 4

2. Substitute the new value of x into 2x+2y=4

3 (5+y) / 4+2y=4

3. Solve for y

Y=-1

4. Substitute the new value of y into x=3 (5+y) / 4

X=3

Y=-1

X=3

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