The problem
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how did that work?
Answer provided by our tutors
14 = 2*7
16 = 2*8
So we pull '2' in front of the brackets:
14x - 16y = 2*7*x - 2*8*y = 2*(7x - 8y)
how did that work?
14 = 2*7
16 = 2*8
So we pull '2' in front of the brackets:
14x - 16y = 2*7*x - 2*8*y = 2*(7x - 8y)
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