Question

3 by 7 plus minus 4 by 9 plus minus 11 by 7 + 7 by 9​

Answer 1

Answer:

the answer is -2/3

Step-by-step explanation:

i hope it helps you.....

Answer 2

Answer:

$\frac{3}{7} + ( - \frac{4}{9} ) + \frac{ \frac{ - 11}{7 + 7} }{9}$

=$\frac{ - 13}{126}$