2x+5=13 ? please help?

2007-12-21 6:34 pm

回答 (9)

2007-12-21 6:53 pm
✔ 最佳答案
2x = 8
x = 4
2007-12-21 6:37 pm
2x+5=13
2x=13-5
2x=8
x=8/2
x=4
2007-12-21 8:39 pm
2x+5=13
2x+5-5=13-5
2x=8
x=4
2007-12-21 6:44 pm
2x=13-5
2x=8
x=8/2
x=4
2007-12-21 6:43 pm
x=4
(8)+5=13
2007-12-21 6:40 pm
x is 4 because 2(4) is 8+5=13
2007-12-21 6:39 pm
Rewrite as : 2x=13-5, or 2x=8, so x=4
2007-12-21 6:37 pm
Subtract 5 from both sides: 2x = 8.
Divide both sides by 2: x = 4.
2007-12-21 7:00 pm
2x + 5 = 13
2x = 13 - 5
2x = 8
x = 8/2
x = 4


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