solve 2x+3y=13 and 5x-4y=-2 using matrix inversion method
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- 2x+3y=13
- 5x -4y =2
- 10x +15y =65
- 10x+ 8y=8
- 23y=57
- y =57/23=y=2.47
- sub the value of y in equation second=5x-4y=2=5x-4×2.47=2
- 5x-9.88=2
- 5x=2-9.88
- 5x=7.88
- x=7.88/5
- x=1.576
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