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March 4, 2015

March 4, 2015

Posted by **Mat** on Sunday, October 5, 2008 at 8:40pm.

3x-7=5x+13

- algebra -
**Emily**, Sunday, October 5, 2008 at 8:43pmStart out by writing out the equation again.

3x-7=5x+13

Bring all variables and constants to either sides of the equation.

3x-7=5x+13

-2x=20

Finally, solve for x.

-2x=20

x=-10

- algebra -
**Emily(teacher)**, Sunday, October 5, 2008 at 8:47pmThe goal of the problem is to get the x by itself and figure out what x is. The first thing you should do is work with the whole numbers 7 and 13.

3x-7=5x+13

add 7 to both sides. By adding 7 to both sides you are not changing the equation but equaling it out. the new equation should be

3x=5x+20

Now subtract 5x from each side

your new equation should be

-2x=20

divide each side by -2

-2x/-2=20/-2

x= -10

- algebra -
**Mat**, Sunday, October 5, 2008 at 10:00pmThanks Emily Teacher!

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