X+y=5;x-y=3 simultaneous equation graphically
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x+y=5-eq1
x-y=3-eq2
eq1+eq2=
x+y=5
x-y=3
2x=8
x=8/2
x=4
put x=4in eq1
x+y=5
4+y=8
y=8-4
y=4
x-y=3-eq2
eq1+eq2=
x+y=5
x-y=3
2x=8
x=8/2
x=4
put x=4in eq1
x+y=5
4+y=8
y=8-4
y=4
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