Question

may i ask anyone for the solution: 3(2+6-13)+7(3-17)-_____ =42

Answer 1

first distribute the 3 and the 7 to get:

6+18-39+21-119-___=42
then consolidate the terms

45-158-____=42

then evaluate:

-113-___=42
now add 113 to both sides

_____=-155