Question

add the additive inverse of (-12+16-42÷3×7)to the product of -2,-3,-4.

Answer 1

ans=12 -16 +42 *-3*-7 +2*3*4 so first we have to subtract 12-16 then 42 *-3 *-7
 then 2*3 answer *4
= -4 +862 + 24
= 858 + 24
=882 hope it will be useful
 

Answer 2

12-16+42×(-3)×(-7)+2×3×4
-4+882+24
882+20
=902