Question

HELP! ASAP!

Answer 1

when + and - sign come together then
+-=-

Answer 2

\[-\frac{ 1 }{ 9 }-\frac{ 5 }{ 7 }\]

Answer 3

take the LCM and solve it

Answer 4

\[-\frac{ 7 }{ 63 } -\frac{ 45 }{ 63 } = \frac{ 38 }{ 63 } \] i think thats the answer

Answer 5

@sourwing ?

Answer 6

@gorv can you check my answer

Answer 7

loll...
-7-45=-52

Answer 8

both term are negative so their sumwill also be negative

Answer 9

oh.. sorry its relly late so my brain is not functioning very well..