27-08-2016
Mathematics

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for b how do you what do you do after completing the matching 5x and -x

for b how do you what do you do after completing the matching 5x and x class=

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texaschic101 texaschic101

27-08-2016

3x - 2 - x = 7 - x
2x - 2 = 7 - x ......add x to both sides
2x + x - 2 = 7 - x + x
3x - 2 = 7...add 2 to both sides
3x - 2 + 2 = 7 + 2
3x = 9....divide both sides by 3
(3/3)x = 9/3
x = 3

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