Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 362934: 3i(2+5i)=x+6i
Click here to see answer by edjones(8007)

Question 362975: Solve the system of equations by elimination
2x+12y=50
10x+3y=35
Click here to see answer by Fombitz(32388)

Question 363077: Solve 3x-5(x-6)=2(10-x)
Here is my work, but I am not coming out with a correct answer.
3x - 5x + 30 = 20 - 2x
2x + 3x - 5x + 30 = 20
0x = -10

Click here to see answer by Fombitz(32388)

Question 363109: 3x + 7 = (9 + x) + 2x
Can it be?
0 = -2
Click here to see answer by CharlesG2(834)

Question 363127: how to solve 2(n+5)=-2
Click here to see answer by jim_thompson5910(35256)

Question 363168: By doubling each dimension thearea of a triangle increased from 6 square miles to 24 square miles. Find the percent increase in area.
Click here to see answer by JBarnum(2146)

Question 363091: 8u^9*2x^*4y^-8x^-5u^-4y
Click here to see answer by Fombitz(32388)

Question 362770: y+8=x^2+x+1.
Put the equation into standard form.
Find vertex and the x-intercept.
Click here to see answer by Fombitz(32388)

Question 363106: (k/5 - 7)-(2k/3 -6=
Click here to see answer by checkley77(12844)

Question 363244: WHAT'S 2y-36=4y+7
Click here to see answer by JBarnum(2146)

Question 362863: How do you simplify 1/x+8?
Click here to see answer by nyc_function(2741)

Question 363325: albert is reading a 200 page book and would like to finish it in two days. if he reads 50 more on the second day than first day how much did he read on each day?
Click here to see answer by robertb(5830)

Question 363326: the larger of two numbers is 4 less than twice the smaller. three times the largerexceeds four times the smaller by 6. find the numbers.
Click here to see answer by robertb(5830)

Question 363319: How do you transform this equation to isolate x ?
x / (x +y) = c
If I multiply each side by (x +y), I get:
x = cx + cy
then I can subtract cx from both sides:
x - cx = cy
But I still can't get x by itself. ???
Click here to see answer by jim_thompson5910(35256)

Question 363359: 10x+4=9x
Click here to see answer by jim_thompson5910(35256)

Question 362157: 5/8(p-4)=2
Click here to see answer by jim_thompson5910(35256)

Question 362158: (6+5)-x=6
Click here to see answer by jim_thompson5910(35256)

Question 361821: How do you solve a/6-5=9?
Click here to see answer by jim_thompson5910(35256)

Question 360819: 5d=9d-18
Click here to see answer by jim_thompson5910(35256)

Question 361650: -3(b-8)-5+9(b+2)=1

Click here to see answer by jim_thompson5910(35256)

Question 360341: 4x2+5x+6=0
كيف تم حساب نقطة الإنعطاف في الرسم البياني
Click here to see answer by jim_thompson5910(35256)

Question 358952: 3-4d=13
-22=11-6a
21=-10m-3

4-2y-y=12
-15=6p+15-10p
4e-3e-2e=1-o
Click here to see answer by jim_thompson5910(35256)

Question 363313: __ + ( __ / __) x __ = 24
Where do the numbers 2, 8, 4 and 16 go in this equation to make it correct?
I have tried every possible way and can't figure it out.
Thanks for your help.
Click here to see answer by jim_thompson5910(35256)

Question 363367: Q=V-I/L

Click here to see answer by nyc_function(2741)

Question 363460: can you help me solve -17+t/5=3
Click here to see answer by robertb(5830)

Question 363545: What is the answer to x-10=7x-34
Click here to see answer by vasumathi(46)

Question 363520: ∫(ln(x))/(√(x))
Click here to see answer by Fombitz(32388)

Question 363741: if n is an integer, write an expression to represent the sum of n and the next three consecutive integers. simplify.
please help me to simplify this. i don't understand the question.
is the equation like this? n + n + 1 + n + 2?
i got zero after simplifying.
am i doing it right?
Click here to see answer by Fombitz(32388)

Question 363743: please help!
the width of a rectangle is 12cm less than 3 times its length. write an expression to represent the area. simplify.
Click here to see answer by stanbon(75887)

Question 363736: please help i'm stuck
the length of a rectangle is 9cm greater than it's width. write an expression to represent the perimeter. simplify. also find the area in the given problem.
Click here to see answer by stanbon(75887)

Question 363929: C=150(2)^5=
Click here to see answer by user_dude2008(1862)

Question 364016: �(y-2)+2 =3/8(3y-4)
How exactly do you solve for a problem like this?? i get 7x=7x i dont think this answer is right
Click here to see answer by stanbon(75887)

Question 363964:
Click here to see answer by robertb(5830)

Question 364129: The reciprocal of half a number increased by half the reciprocal of a number is one half. Find the number...please :)
Click here to see answer by amoresroy(361)

Question 364140: solve the following equation
4x^2 - 12x + 9 = 0
please show steps to answer. This is what I have
(2x + 3)(2x + 3) = 0
2x + 3 = 0 or 2x + 3 = 0
2x = 3
x = 2/3 or .....
I dont think them both can be the same.
Click here to see answer by Alan3354(69443)

Question 364328: What is the value of n if n+0.4=n+1 ?
Click here to see answer by Fombitz(32388)

Question 364322: 2x-7=
Click here to see answer by Griffinsdad06(8)

Question 364490: 27=7+5 sqrt x
Click here to see answer by Fombitz(32388)

Question 364530: david had $4000 invested for one fourth of a year at a simple interest of 6.1%. how much interest did he earn.

Click here to see answer by rfer(16322)

Question 364659: 8/x=x/18
Click here to see answer by Fombitz(32388)

Question 364659: 8/x=x/18
Click here to see answer by SadieKhan(31)

Question 364721: x+5=2x+3
Click here to see answer by robertb(5830)

Question 364780: a tank has 500 liters of oj in it is being filled from another tank at a rate of 20 liters per minute. The second tank has 740 liters in it. After how many seconds will the levels of the oj in both tanks be the same.
Click here to see answer by josmiceli(19441)

Question 364782: y= -2^3 x + 8;for x
Click here to see answer by Alan3354(69443)

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