Answer:
Required equation: 
Length of the main span of the Dames point Bridge = 396 meters
Step-by-step explanation:
Main span of the Sunshine Skyway Bridge = 366 meters .... (1)
Let 
represent the length of the main span of the Dames point Bridge.
It is given that the bridge's main span is 30 meters shorter than the main span of the Dames Point Bridge.
Main span of the Sunshine Skyway Bridge = 
meters .... (2)
From (1) and (2) we get
Add 30 on both sides.
Hence, the required equation is and the length of the main span of the Dames point Bridge is 396 meters.
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<h2>
Answer:</h2><h2>The expressions that can be subtracted from 9x to result in the expression 3x+5 is 6x - 5</h2>
Step-by-step explanation:
To find the expression that can be subtracted from 9x to result in the expression 3x+5.
Let us consider the expression, a - b = c
Here a = 9x
the result, c = 3x + 5
b = ?
Substitute the values in the above equation, we get
9x - b = 3x + 5
9x - (3x + 5) = b
b = 6x - 5
