wsp23456 wsp23456 24-03-2021 Mathematics contestada FOR 100 POINTS IF U HELP ILL SEND U 60 MORE POINTS plz show/explain ur work- how u know pls 1. 144= -12 (x+5) 2. 8n+7=31 3. -9 x -13 + -103 4. 7 (9+K) = -84