Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 319531: Find the inslope intercept form the passing through points with given coordinates. (-3,3) (2,-2) for some reason I am not getting this right.
Click here to see answer by stanbon(57203)

Question 319514: -1/7+x=-3/4
Click here to see answer by checkley77(12569)

Question 319512: (12a-3b+5c)-5(-5a+4b-6c)
Click here to see answer by checkley77(12569)

Question 319511: 41.68=4.7-8.6x
Click here to see answer by checkley77(12569)

Question 319510: 5x+5(4x-1)=20
Click here to see answer by checkley77(12569)

Question 319543: Find the in slope intercept form of the passing through points with given coordiantes Find the equation of a line. (-5,-3) (-3,1)
Click here to see answer by stanbon(57203)

Question 319545: Find the equation for the line that passes through the point (-1,4) and that is perpendicular to the line with the equation y=1/2x-5/2
Click here to see answer by nerdybill(6948)

Question 319587: A line k passes through the points (4,2) and (-4, 4). A second line h passes through the points (-8,1) and (8, -3). Is line k parallel to line h?
Click here to see answer by user_dude2008(1861)

Question 319672: QUADRATIC EQUATION
x^2+4x+3=0

Click here to see answer by stanbon(57203)

Question 319705: write out in words what the following equations say mathematically:
ab=cd, 3x+5y=2z, x+4=t/7

Click here to see answer by jim_thompson5910(28476)

Question 319706: Solve the equation.
4y - 8 + y = 4 + 5y - 4y
Click here to see answer by jim_thompson5910(28476)

Question 319707: Solve the equation.
4x + 3 + 2x = 6x + 2 - x
Click here to see answer by jim_thompson5910(28476)

Question 319868: simplify;
6[-25-(38-80)]=
I do not even know about this one!!!
Thank you I am preparing for my final next week!!!
Click here to see answer by rfer(12644)

Question 319895: x/4-3=5
my answer is 23 professor answer is 32 please explain how this comes to be
Click here to see answer by Earlsdon(6287)

Question 319848: 3(x-.87)-2x=4.98 solve for x
Click here to see answer by rfer(12644)

Question 319902: k/15+5=k/6-10 solve for k
Click here to see answer by checkley77(12569)

Question 319975: A black racer snake travels 43.7 km in 19 hours. What is the speed in km/h rounded to the nearest tenth?
Click here to see answer by rfer(12644)

Question 319977: There are approximately 4lbs of muscle for every 7lbs of body weight of a certain animal. For a 175 lb. animal, how much of the weight is muscle?
Click here to see answer by stanbon(57203)

Question 320032: Solve the equation: x - 5 = the square root of 4x - 15
Click here to see answer by mananth(12269)

Question 320016: Solve the equation 1 - 2/x + 1 = 2x/x + 1. Check the solution.
Click here to see answer by mananth(12269)

Question 319973: A long distance trucker traveled 208 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double the speed and took 4 hours less. What was the speed going?
Click here to see answer by mananth(12269)

Question 319969: The speed of a passenger train is 12mph faster than the speed of a freight train.The passenger train travels 310 miles in the same time it takes the freight train to travel 250 miles. What is the speed of each train?
Click here to see answer by mananth(12269)

Question 319966: Iy usually takes one person 6 hours to mow a yard, another person can mow the same yard in 3 hours. How long would it take for both of them to mow the yard together?
Click here to see answer by mananth(12269)

Question 320069: can you please help me solve this problem?
Write an algebraic expression and simplify if
possible The sum of three consecutive even integers, the
first of which is 2n.

Click here to see answer by mananth(12269)

Question 320044: solve for b. A=1/2bc^2
Click here to see answer by Fombitz(13828)

Question 320055: if x varies inversely as v, and x=14 when v=2, find x when v=4.
Click here to see answer by nerdybill(6948)

Question 320146: solve using addition and multiplcation:
1+7x<36
Thank you
Click here to see answer by solver91311(16868)

Question 320149: solve for the indicated letter
C=2d for d
D=
This makes no sense to me!
Thank you.
Click here to see answer by Fombitz(13828)

Question 320135: I am not good with fractions,
Can you please help me!

5/8x+1/16x=7/16+x
Thank you
Click here to see answer by Fombitz(13828)

Question 320216: Solve using multiplication principle
-3/4x=-5/6
It makes no sense to me!
Thank you
Click here to see answer by stanbon(57203)

Question 320224: Can you show me how to ge the answer to this question? 2t^2-t-36 thank you very much
Click here to see answer by scott8148(6628)

Question 320142: I have tried this one several times and can not get the answer. The stopping distance d of a car after the brakes are applied varies directly as the square of the speed r. If a car travelling 70 mph can stop in 270 ft, how many feet will it take the same car to stop when it is travelling 30 mph?
Click here to see answer by ankor@dixie-net.com(15622)

Question 320286: The problem asks to solve by whatever method seems easiest to you. I have tried so many methods and can't seem to figure these two out. (a) x^2+8x=-16 (b) 3x^2=2x+5
Thank you for your time =)
Click here to see answer by Alan3354(30924)

Question 320298: Hello how are you I was working on this problem n-29=-53and i wanted to get an understanding on working the problem.......this is what i did 53-29=24 and then i add the neg sign b/c both numbers were neg. so my answer was n=-24
Click here to see answer by stanbon(57203)

Question 320307: if the average of three numbers is v. if one of the numbers is z and another is y, what is the remaining number?
Click here to see answer by ankor@dixie-net.com(15622)

Question 320322: The balance in Will’s Mastercard® account grew 2%, to $870, in one month. What was his balance at the beginning of the month?
Click here to see answer by rfer(12644)

Question 320484: how do i fCTOR AN EXPRESSION LIKE 6X SQ. + 17X +12
Click here to see answer by JBarnum(2044)

Question 320522: the sum of the measures of the angles in a triangle is 180 degrees. if the angles measures (3x-3)degrees, (2x-4)degrees, and (x-5)degrees, solve for x.
Click here to see answer by solver91311(16868)

Question 320459: solve using addition and mulytiplication principles
1+7X<36
Thank you
Click here to see answer by checkley77(12569)

Question 320417: The quotient of a number and 6, minus 5/3, is the quotient of the number and 2. Find the number.
Click here to see answer by ankor@dixie-net.com(15622)

Question 320596: The speed of a gear varies directly as the number of teeth it contains. If a gear with 10 teeth rotates at 240rpm, with what speed would a gear with 18 teeth revolve under the same conditions?

I'm getting 2 answers not sure which one is right 240x10=2400/18=133
240x18=4320/10=432
Click here to see answer by jim_thompson5910(28476)

Question 320623: whats the anwser for 5 under2t-t=3+3 under 2t
??????? i need help with the steps
Click here to see answer by mananth(12269)

Question 320627: how do you solve for y=-x+3
y=x+1
Click here to see answer by mananth(12269)

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