( )+x=26 x-( )=2.2( )*x=4 x/( )=2.5

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()+x=26x-()=2.2()*x=4x/()=2.5()+x=26x-()=2.2()*x=4x/()=2.5()+x=26x-()=2.2()*x=4x/()=2.5(26-x)+x=26x-

( )+x=26 x-( )=2.2( )*x=4 x/( )=2.5
( )+x=26 x-( )=2.2( )*x=4 x/( )=2.5

( )+x=26 x-( )=2.2( )*x=4 x/( )=2.5
(26-x )+x=26
x-(x-2.2 )=2.2
( 4/x)*x=4
x/( x/2.5)=2.5