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Pre-Algebra
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OpenStudy (monicalabranche):
i am reviewing this for a college class i am taking . I am rusty and need some help and pointers ... x + 9 = 18 - 2x
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OpenStudy (utophii):
Add 2x - 9 to both side of the eqn. Then 3x = 9, dividing 3 both side, we obtain x = 3.
OpenStudy (mathwizzard3):
Let me know if you need help with anything like that :3
OpenStudy (monicalabranche):
Thanks
OpenStudy (laura.swart):
3x+9=18 3x=9 x=3
OpenStudy (macgirl234):
x + 9 = 18 - 2x 3x + 9 = 18 3x = 9 x = 3
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