SOLUTION: solve by addition If a unique solution does not exist, state whether the system is incosistent or dependent
1. 5x + 4y=7
5x - 2y =19
2. 3x -4y=2
4x -4y = 20
Algebra ->
Systems-of-equations
-> SOLUTION: solve by addition If a unique solution does not exist, state whether the system is incosistent or dependent
1. 5x + 4y=7
5x - 2y =19
2. 3x -4y=2
4x -4y = 20
Log On