book Maths Puzzle Numerical Ability

How do you factor 4x-8+6y. The answer turns out to be 3, but dont know how you get that?

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book Other Question

answer with work please.2/3x-5=5(x-3) This is my promblem. Please help!

Due to road construction delays the Swansons averaged only 36 mph on their trip to their vacation home last summer. This summer they averaged