a) x+(2856-x)
= x + 2856 - x
= (x-x) + 2856
= 0 + 2856
= 2856
b, x-(x-6820)
= x - x + 6820
= (x-x) + 6820
= 0 + 6820
= 6820
\(a,x+\left(2856-x\right)\)
\(=x+2856-x\)
\(=2856\)
\(b,x-\left(x-6820\right)\)
\(=x-x+6820\)
\(=6820\)
a) x + ( 2856 - x )
=> x + 2856 - x
=> ( x - x ) + 2856
= 0 + 2856
= 2856
b) x - ( x - 6820 )
=> x - x + 6820
= 0 + 6820
= 6820
x + ( 2856 - x )
= x + 2856 - x
= x - x + 2856
= 2856
x - ( x - 6820 )
= x - x + 6820
= 6820
a, x + (2856 - x ) = x + 2856 - x
= (x - x ) + 2856
= 0 + 2856
= 2856
b ,x - ( x - 6820 )
= x - x - 6820
= 0 - 6820
= 6820
a) x + (2856 - x)
= x + 2856 - x
= (x - x) + 2856
= 0 + 2856
= 2856
b) x - (x - 6820)
= x - x + 6820
= 0 + 6820
= 6820