2x + 7 = 13 what does x equal?

2009-06-11 1:27 pm

回答 (22)

2009-06-11 1:31 pm
✔ 最佳答案
3.

at last one I can work out.
2009-06-11 8:31 pm
2x + 7 = 13
2x = 13-7
2x = 6
x = 6/2
x = 3
2009-06-11 10:44 pm
x = 3
2009-06-11 10:10 pm
3
2009-06-11 9:22 pm
2x + 7 =13
subtract 7 on both sides
2x+7-7=13-7
2x=6
x=6/2=3
2009-06-11 8:40 pm
3
2009-06-11 8:39 pm
2x + 7 = 13
2x + 7 -7 = 13 - 7
2x = 6
x = 6/2
x = 3
2009-06-11 8:38 pm
3
2009-06-11 8:38 pm
2x + 7 = 13
-7 - 7
2x = 6
divide both sides by two .
x = 3
2009-06-11 8:35 pm
2x = 13 - 7
2x = 6
x = 3


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