A sleeping bag weighs 7 pounds. Your backpack and sleeping bag together weigh 28 pounds. Use x as your variable to determine whether the backpack without the sleeping bag weighs 26 or 21 pounds.
Drag and drop your answers into the boxes to complete each sentence.
The equation is
The backpack without the sleeping bag weighs
21 pounds
28 + 7 = x
26 pounds
X + 7 = 28

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answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column

c - they will have the same distribution

step-by-step explanation:

this is the only one that could make sense. : )