2 1/2x+1 2/3=4 1/6
tell me how to find the answer!
2007-01-26 14:22:01 · 4 answers · asked by Lola Rice 2 in Education & Reference ➔ Homework Help
2 1/2x+1 2/3=4 1/6
(1) One way
First, change mixed numbers to improper fractions.
5/2 x + 5/3 = 25/6
Then I would multiply both sides by 6 to get rid of fractions.
15 x + 10 = 25
Subtract 10 from both sides
15 x = 15
x = 1
Check your work
2 1/2 + 1 2/3 =
2 3/6 + 1 4/6 =
3 7/6 = 4 1/6
This looks correct
(2) Another way
First change fractions to common denominator of 6
2 3/6 x + 1 4/6 = 4 1/6
Subtract 1 4/6 from both sides
2 3/6 x = 4 1/6 - 1 4/6 = 3 7/6 - 1 4/6
2 3/6 x = 2 3/6
so x = 1
2007-01-26 14:26:31 · answer #1 · answered by emilynghiem 5 · 1⤊ 0⤋
Change 2 1/2 to 2 3/6 and change 1 2/3 to 1 4/6....then add 2 3/6 plus 1 4/6 =6 7/6 = 7 1/6
In order to add together you had to get like denominators in the fractions.
2007-01-26 14:39:38 · answer #2 · answered by ticklemeblue 5 · 0⤊ 0⤋
Change the mixed numbers into proper fractions, you do know how to do that right?
- 2 1/2 changes into 5/2.
- Then 1 2/3 changes into 5/3.
- Then find the common denumbtier [spell wrong] and that is....6.
- 5/2 times 5/3 is.....25/6 right?
- Then....change that 25/6 into a proper fraction again, that'll be 4 1/6. You were right!!! =]
2007-01-26 14:36:29 · answer #3 · answered by Vin R 1 · 0⤊ 0⤋
x=1
4+1/6-1-2/3 = 2.5x
2.5
2007-01-26 14:32:48 · answer #4 · answered by Anonymous · 1⤊ 0⤋