Posted by zach on Wednesday, April 28, 2010 at 11:00pm.
1. 5-3[2(3x-4)+3]
Start from the inside and work outward.
5 - 3(6x - 8 + 3) = 5 - 18x + 5 = -18x
2. (3x^2 - 4y^2)/(4x -7y) Just plug in the numbers and calculate. (x^2 = x squared online.)
3. Multiply both sides by -4/3.
4. From the way you express the equation, I don't know which numbers belong where.
(m + 1)/4 + 5/6 = (2m - 1)/12?
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