5x + 4y = 47, 4x +5y=43
Islamkhanbogee:
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5x+4y =47
4x+5y=43
---------------
20x+16y=188
20x+25y=215
- - -
____________
0. -9y. =-27
___________
y =. 27
__
9
y=. 3
x= 7
4x+5y=43
---------------
20x+16y=188
20x+25y=215
- - -
____________
0. -9y. =-27
___________
y =. 27
__
9
y=. 3
x= 7
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