7x+2y=20 and x+2y=8 By substitution method
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x=8-2y
put value of x:-
7(8-2y)+2y=20
56-14y+2y=20
56-12y=20
-12y=20-56
-12y=-36
y=36/12
y=3
put value of y:-
x=8-2×3
x=8-6=2
may it help you
put value of x:-
7(8-2y)+2y=20
56-14y+2y=20
56-12y=20
-12y=20-56
-12y=-36
y=36/12
y=3
put value of y:-
x=8-2×3
x=8-6=2
may it help you
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I hope it will help you.
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