x+y=5,2x-3y=4 elimination method
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Answered by
6
We have,
x+y=5---(1)
2x-3y=4---(2)
Now multiply 2 to eq(1)
we get ,2x+2y=10----(3)
subtract eq(3)&(2)
2x+2y=10
2x-3y=4
- - -
__________
5y =6
y=6/5
putting the value of y=6/5 in eq(1)
x+6/5=5
x+6=25
x=25-6
=19
Answered by
4
Step-by-step explanation:
X+y=5--(1) 2x-3y=4---(2)
=y=5-x----(3)
sub(3)in (2)
2x-3(5-x)=4
2x-15+3x=4
5x=19
X=19/5---(4)
sub(4) in (1)
19/5+y=5
19+5y=25
5y=25-19
y=6/5
(X=19/5) (y=6/5)
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