1.

What should be added to 3x -y+11 to obtain -y-11

Answer»

Answer:

Your answer = -29/35

Calculation:

Suppose added value is X

2/5 + x = -3/7

x = -3/7 - 2/5

x = (-15–14)/35 (LCM OF 7 & 5)

x = -29/35

2/5 + (-29/35) = -15/35 = -3/7

Step-by-step EXPLANATION:



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