Question

x+y=6 and x-y=2.by substitution

Answer 1

Heya☺

x= 6-y
Substituting the value of x in 2nd equation

x-y=2
(6-y)-y=2
6-2y=2
-2y=2-6
-2y=-4
y=2

Therefore
x= 6-2
x=4
✌

Answer 2

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