Question

Simplify the following expression: (x − 8y) − (2x − 4y). If the final answer is written in the form Ax + By, what is the value of B?

Answer 1

B = -4

Explanation:

(x - 8y) - (2x - 4y) = x - 8y - 2x + 4y

⇒-x -4y

If it is to be written as Ax + By, then A = -1 and B = -4.

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