solve for x?
2007-04-23 23:44:13 · 15 answers · asked by dpostd 2 in Education & Reference ➔ Homework Help
7
2007-04-23 23:46:30 · answer #1 · answered by Anonymous · 0⤊ 0⤋
3x=21
x=21/3
x=7
2007-04-23 23:52:04 · answer #2 · answered by sora 4 · 0⤊ 0⤋
3x=21
x=7
as 3x = to 21, so take 21 and divide it by 3
2007-04-24 02:09:45 · answer #3 · answered by nweiheng 2 · 0⤊ 0⤋
3x=21
3x/3=21/3
x=7
3(7)=21
2007-04-24 03:16:00 · answer #4 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
3x=21
Now we need to find a factor of 3 whose product with x gives answer as 21.
Thus, x=21/3 =7
Hence the answer is 7.
2007-04-23 23:56:19 · answer #5 · answered by beautifulsnap 2 · 0⤊ 0⤋
3x=21
x=21/3
x=7
this is the answer
2007-04-23 23:51:22 · answer #6 · answered by Anonymous · 0⤊ 0⤋
3x=21
or, x=21/3
or, x=7
2007-04-23 23:55:58 · answer #7 · answered by Arvind 1 · 0⤊ 0⤋
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Solve, showing approximate solutions to 6 digits Equation 19-3x=21+x Variable x Result Exact x= negative 1 half Solution 1 (real) x= 0.5 Approximate Solution 1 (real)
2016-04-01 08:32:49 · answer #8 · answered by Julie 4 · 0⤊ 0⤋
this is not a hard problem
21 divided by 3 = 7, x = 7
2007-04-24 00:47:26 · answer #9 · answered by ligoneskiing 4 · 0⤊ 0⤋
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RE:
what is 3x=21?
solve for x?
2015-08-17 00:55:30 · answer #10 · answered by Anonymous · 0⤊ 0⤋