How do you evaluate #-8+2--7-16+72-+17+89--22+43#?

1 Answer
sankarankalyanam
Oct 19, 2017

#+194#

Explanation:

#- * - = +#
#- * + = -#

#-8 +2 +7 -16 +72 -17 +89 +22 +43#

Bring all the positive terms together and negative terms together.

#(+2 +7 +72 + 89 + 22 +43) -(8 +16 +17)#

Add the positive and negative numbers separately.

#(235) - (41) = +194#

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