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kushashwa
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take 2 as common
2(1+1)
1+1 = 2
2(2) = 4

kushashwa
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or
2+2
Add 2 to 2 to get 4.
4

vicky007
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let
2+2=x
2(1+1)=x
1+1=x/2
1=x/2 1
multiplying throghout with 2
2=x2
therfore
x=4

nilankshi
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thx