Question

What is absolute value?

-13 +(-69)+57-(-89)-(53+(-49) ?

Answer 1

• In mathematics, the absolute value or modulus |x| of a real number x is the non-negative value of x without regard to its sign. eg: absolute value of -2 ie, |-2|= 2

−13+(−69)+57−(−89)−(53+(−49))

=−13−69+57+89−(53−49)

=−13−69+57+89−53+49

First, take all the negative terms and then take all the positive terms and add them,

=(−13−69−53)+(57+89+49)

=−135+195

=60