What is the answer to this?
3/4x=2x-25
Solve to find x.
2007-02-03 05:07:30 · 6 answers · asked by blacknwhitepuma 2 in Science & Mathematics ➔ Mathematics
3/4x=2x-25
2x/1=8/4x
3/4x=8/4x-25
3/4x-8/4x=-25
-5/4x=-25
x=20
2007-02-03 05:16:35 · answer #1 · answered by ? 3 · 1⤊ 0⤋
Your question is unclear. If the term on the left is supposed to be(3/4)x, that produces one answer. But as you have it typed, it can quite correctly be interpreted as 3/(4x), which is quite another thing. You need to restate your question using the correct mathematical syntax. Otherwise, you may be receiving a whole passel of incorrect answers.
2007-02-03 13:53:34 · answer #2 · answered by MathBioMajor 7 · 0⤊ 0⤋
-1 1/4x=-25 so x=20
2007-02-03 13:14:31 · answer #3 · answered by jim m 5 · 1⤊ 0⤋
3/4x-2x=-25. first step (put ones wit variables on one side and coefficients on other side)
3/4x-8/4x=-25. second step (change -2x into -8/4x)
-5/4x=-25. third step (3/4x-8/4x)
x=-25(-4/5x). fourth step (divide by reciprocal)
x=-20. fifth step (answer)
2007-02-03 13:12:30 · answer #4 · answered by Anonymous · 0⤊ 1⤋
3/4x=2x-25
3/4x(x4)=(2x-25)x4 -- multiply by 4 to get rid of the fraction
3x=8x-100 -- answer to that
3x(-8x)=(8x-100)-8x ---- get all X's on one side by subtracting the 8x
-5x=-100 --- answer to that
-1(-5x=-100) --- multiply the whole problem by -1 to get rid of the negative sign
5x=100 -- answer to that
(5x=100)/5 --- divide by 5 to solve for x
x=20 -- complete answer
2007-02-03 13:13:44 · answer #5 · answered by sweetgiggles1225 1 · 1⤊ 0⤋
3/4 x =2x-25;
=>3x=8x-100;
=>5x-100=0;
=>x=100/5=20;
lol hw can u get a doubt in this. it is very simple question,
2007-02-03 13:18:06 · answer #6 · answered by Rishi k 2 · 0⤊ 0⤋