6x - 5y - 16 = 0,
7x-13y + 10 = 0.
Answers
Answered by
1
Step-by-step explanation:
6x - 5y = 16
7x -13y = -10
6x -5y = 16 × 7
7x -13y = -10 × 6
42x - 35y = 112
42x -78y = -60
(-) (+) (+)
43y = 172
y= 172÷ 43
y = 4
Answered by
1
hey mate :-
given here:
6x - 5y - 16 = 0,
7x-13y + 10 = 0.
solution :-
6x-5y=16. (1)
7x-13y= -10. (2)
multiply by 7 ×(1) - 6×(2)
we get ,
42x - 35 y = 112
42x - 78y = -60
subtract...its
43y = 172
y = 172/43
y = 4
put value in (1)
6x- 5×4= 16
6x =16 +20
6x =(36)
x=36/6
x=6
thus:
x= 6
y=4
i hopes its helps u
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