Question

(-2/7+8/13)+(-9/4)=(____)+(8/13+-9/4)​

Answer 1

it will be -2/7 in the bracket.

cause it's associative property.

Answer 2

Answer:

-2/7 is solution of your question.

Let X.

X+ (8/13+(-9/4) =( -2/7 +8/13)+(-9/4)

X = -2/7+8/13+(-9/4) - 8/13+(-9/4)

X = -2/7.