first you add x and 2x, which becomes 3x
3x+3=75
then you subtract 3 from 3 on the left side of the =sign and you also subtract 3 from the other side-75-3=72-the three's on the left side of the equal sign cancel each other out and it leaves you with:
3x = 72
then you divide both sides by 3, which gives you
x=24
2006-09-10 13:02:55
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answer #1
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answered by Anonymous
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X=24
2006-09-10 12:35:14
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answer #2
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answered by Strange Ball 2
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x+2x+3=75
3x + 3 =75
- 3 -3
3x = 72
x = 24
2006-09-10 12:50:14
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answer #3
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answered by Sarah S 3
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x+2x+3=75
add x and 2x to make 3x
3x+3=75
subtract 3 from both sides
3x+3=75
-3 -3
3x=72
now divide by 3 on both sides and the answer would be....
x=24
2006-09-10 12:36:12
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answer #4
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answered by Theresa T 2
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I presume that capital X equals small x.
then you have 3x + 3 = 75.
divide both sides by 3;
and x+1=25.
So x=24.
or, 3x=72, if you first subtract 3 from both sides, and still, then divide by 3, and
x=24.
2006-09-10 12:41:57
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answer #5
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answered by DinDjinn 7
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x=24
2006-09-10 12:34:44
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answer #6
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answered by CG 2
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x + 2x + 3 = 75
add like terms
3x + 3 = 75
x on one side, subtrct 3 from both sides
3x = 72
didvide each side by 3
x = 24
2006-09-10 12:42:45
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answer #7
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answered by Jessica H 2
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solve for x?
subtract 3 from 75: 72
combine the x's: 3x
3x +72
divide 72 by 3 and you get your answer.
2006-09-10 12:36:39
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answer #8
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answered by that weird girl 3
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x+2x= 3x
75-3=72
3x=72
x=24
2006-09-10 12:34:57
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answer #9
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answered by Anonymous
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3x + 3 = 75
3x = 72
x = 24
2006-09-10 12:34:25
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answer #10
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answered by David 3
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