Posted by **Keisha** on Monday, December 28, 2009 at 8:42am.

If in the set A, 3x-4 and B 2x+5, with X is an intersect between the two sets, how do i find for x?? I already know the ans is 9, but need help with the working.

Do i just bring the 4 over to 5 and change the sign then add.

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