The total length of the board in terms of x is (A + B)(x) = 16x − 2
<h3 /><h3>Section A:</h3>
<h3>Section B:</h3>
Both sections indicates the length of the broken boards. Therefore,
The total length of the board in terms a x is as follows:
A(x) + B(x) = 7x - 4 + (9x + 2)
A(x) + B(x) = 7x + 9x - 4 + 2
A(x) + B(x) = 16x - 2
(A + B)(x) = 16x - 2
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