how do u find what the letter equals ?
1. 1.5s-1.2-s=0.5
2. 5.3+u= 3.2u- 2.7
3. 4.93- 9.20v= 0.66v
4. p- 4/9p=-7/9
1. 3/10- w=4/5 - 3/5w
2. 1/6x + 2/3x = 1
3. 7/4z - 1/6 = 17/6 + 3/4z
2007-06-03 13:17:03 · 5 answers · asked by lili f 1 in Science & Mathematics ➔ Mathematics
animail_mother sorry but i had to leave school early because i got sick & went to the doctors so i didnt get the notes or anything.
2007-06-03 13:29:15 · update #1
You find what the letter equals by USING YOUR BRAIN !!
REMEMBER!!????!!!?
Your brain?
2007-06-03 13:26:07 · answer #1 · answered by Anonymous · 0⤊ 0⤋
1. 1.5s-1.2-s=0.5
.5s=1.7
s=1.7/.5
2. 5.3+u= 3.2u- 2.7
8=2.2u
u=8/2.2
3. 4.93- 9.20v= 0.66v
4.93=9.86v
v=4.93/9.86
4. p- 4/9p=-7/9
5/9p=-7/9
p=(-7/9)*(9/5)
p=-7*5
p=-35
1. 3/10- w=4/5 - 3/5w
3-10w=8-6w
-5=4w
w=-4/5
2. 1/6x + 2/3x = 1
x+4x=6
5x=6
x=6/5
3. 7/4z - 1/6 = 17/6 + 3/4z
common denom is 12
(3*7)z-2=2*17+(3*3)z
21z-2=34+9z
12z=36
z=3
2007-06-03 20:28:12 · answer #2 · answered by rjacobs83 2 · 0⤊ 0⤋
Get out your math book and read it! Pay attention in class next time and take notes. That's the only way you will really learn..not by having us tell you the answers. Don't you want to educate yourself and be an intelligent person?
2007-06-03 20:21:23 · answer #3 · answered by animal_mother 4 · 0⤊ 0⤋
all of you who are being rude to him have a b***** way of thinking this is yahoo answers and this is the mathematics section so stop being a tart! there is nothing wrong with him asking.just cause someone asks a question does not mean they were not paying attention,god! i feel sorry for your kids,if you have any!!!
2007-06-03 20:26:19 · answer #4 · answered by swirl 2 · 1⤊ 0⤋
I'll do the first one so you can see the method.
1.5s - 1.2s - s = 0.5.........OK we're solving for s.
Remember the -s term is the same as -1s.
So do the subtraction.
1.5s-1.2s-s = -.7s
So we now have -0.7s = 0.5
Solve for s by dividing 0.5 by -0.7
s = -0.714
2007-06-03 20:27:10 · answer #5 · answered by Lady Geologist 7 · 1⤊ 0⤋