Solve 4-y/13=11/26 for y?

2009-03-23 8:14 am

回答 (9)

2009-03-23 8:20 am
✔ 最佳答案
4-y/13=11/26
y/13=4 -11/26
mult by 26
2y = 4(26) - 11
y = 93/2 or 46.5


NOTE FOR OTHER ANSWERS:

IF THE PROBLEM HAS NO BRACKET THEN SOLVE IT WITHOUT A BRACKET OR ELSE YOUR ANSWER WILL BE MATHEMATHICALY WRONG.

Without a bracket division comes before subtraction.
2009-03-23 12:40 pm
(4 - y)/13 = 11/26
4 - y = 13(11/26)
4 - y = 143/26
26(4 - y) = 143
104 - 26y = 143
26y = 104 - 143
y = -39/26
y = -3/2 (-1.5)
2009-03-23 8:31 am
First apply - to both side of equation
-4 - - y/13 = - 11/26
-4 + y/13 = -11/26
Add 4 to both sides
-4 + 4 + y/13 = 4 - 11/26
y/13 = 4 -11/26
Multiply thru by 26
26y/13 = 104 - 11
2y = 93
divide both sides by 2
y = 46.5
2009-03-23 8:26 am
4 - (y / 13) = 11 / 26

-> y / 13 = 4 - (11 / 26)

-> y / 13 = 93 / 26

-> y = (13)(93 / 26)

-> y = 93 / 2
2009-03-23 8:18 am
First, multiply through by 26 to get 104-2y=11. Then you can bring the 104 to the other side to get -2y = -93. Solving for y you get y = 93/2 or 46.5. Good luck.
參考: Way to many college math classes.
2009-03-23 8:47 am
Same comment as other question-----USE BRACKETS

(4 - y) / 13 = 11 / 26

8 - 2 y = 11

2 y = - 3

y = - 3 / 2
2009-03-23 8:23 am
y/13=4-11/26
y =93/2@ 46 1/2
@
(4-y)/13=11/26
y = -3/2
2009-03-23 8:18 am
y = 16 if the numers are fractions
2009-03-23 8:17 am
y = -3/2


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