1.

Find 36-(-64) and (-64)-36. Are they equal.

Answer»

From the commutative law of Subtraction [a-b = b-a]

Let,

a=36, b=-64

Left hand side (LHS),

= {36 – (-64)}

= {36+64}

= 100

Right hand side (RHS),

= (-64-36)

=-(64+36)

(Take out the –ve sign outside and do subtract smaller from bigger number)

=-100

By comparing LHS and RHS,

LHS ≠RHS



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