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August 30, 2014

Homework Help: math

Posted by nyaja on Monday, September 25, 2006 at 7:36pm.

3(4u-6)=2(4u-3)-(u-8)
what is u


12u-18=8u-6-u+8
Can you take it from here?


so I would have combine like terms then add right?


what about 3(n-2)-2(3-n)=4(n-3)


same thing...use distributive property to multiply, do the operations, solve for n
give it a try...


u could be "any" number. Since you don't know its value, just multiply by it, like this...(remember the distributive property). First one side of equal, then the other...
3x4u - 3x6 = (2x4u - 2x3) -u +8 (last part is because -x+ is - and -x- is +...but you know that, right) Now do the math
3x4u= 12u (see how it works?) Now try...


i still dont understand how to find the value of u


you would have to do the math operations for each side of the equation.

12u - 18 = 8u -6 -u +8
Now put the similar terms together on one side and solve for u, like this
12u - 8u +u = 18 +8 -6 Now try and went you get to the part where a number multiplies U = a number, divide the number by coefficient of U...follow me?

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