Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE) Get help from our free tutors ===> Algebra.Com stats: 2016 tutors, 420104 problems solved View all solved problems on Linear-equations -- maybe yours has been solved already! Become a registered tutor (FREE) to answer students' questions. If you need immediate math help from PAID TUTORS right now, click here. (paid link) Click here to see problems AND answers on one page Question 366680: solve using addition method x - 2y = -1 and -x + 5y = 4 Click here to see answer by robertb(4012)   Question 366680: solve using addition method x - 2y = -1 and -x + 5y = 4 Click here to see answer by mananth(12270)   Question 366699: If three times a number is increased by 11 and the result is 47, what is the number? Click here to see answer by Fombitz(13828)   Question 366733: write an equation of the line containing the given point and paralell to the given line (7,-6) 7x-4y=5 Click here to see answer by Fombitz(13828)   Question 366720: if a number is decreased by 14 and that result is then divided by 5, the answer is 15. find the number. how do i write that? Click here to see answer by edjones(7569)   Question 366820: Solve the system of equations x+8y=9 x=6-8y Click here to see answer by ewatrrr(10682)   Question 366911: One number is 7 more than another number. Find the numbers if three times the larger number exceeds four times the smaller number by 5. How do I write that. I am stuck, if i can get that then i can solve it. Click here to see answer by ewatrrr(10682)   Question 366948: im having trouble on a linear equation. 4/3(5x+1)=8. Click here to see answer by user_dude2008(1861)   Question 366932: find the equation of the line which passes through the point (6,2) and the point of intersection of the lines 4y=-x+2 and x+3y=-1. Express your answer in standard form. Click here to see answer by Fombitz(13828)   Question 366835: Solve using the multiplication principle Check -7/9x = -9/10 Click here to see answer by Fombitz(13828)   Question 367024: I am trying to help my grandson with his algebra. The equation is 7(6-2a)=5(-3a+1). this is my work but I know it is wrong. Please help me. 7(6-2a+2a) + 5(-3a+1+2a) 7(6)=5(-a+1 7(6-1)=5(-a) 35=-5a a = -7 where did I go wrong? Click here to see answer by Fombitz(13828)   Question 367024: I am trying to help my grandson with his algebra. The equation is 7(6-2a)=5(-3a+1). this is my work but I know it is wrong. Please help me. 7(6-2a+2a) + 5(-3a+1+2a) 7(6)=5(-a+1 7(6-1)=5(-a) 35=-5a a = -7 where did I go wrong? Click here to see answer by rfer(12678)   Question 367273: Write an equation in a slope-intercept form for a line with a slope of -4 and y-intercept of 9. I'd really appreciate some help with this, please!! Thanks so much :) I'm stuck on this question and I have no clue what to do. Click here to see answer by jim_thompson5910(28598)   Question 367342: I was told to write the slope-intecept form of the equation for the line. Then I was given a graph and 4 choices for my answer. The graph has points at (3,0) and (-3,-2) the slope I think is 3 Click here to see answer by jim_thompson5910(28598)   Question 367342: I was told to write the slope-intecept form of the equation for the line. Then I was given a graph and 4 choices for my answer. The graph has points at (3,0) and (-3,-2) the slope I think is 3 Click here to see answer by rfer(12678)   Question 367342: I was told to write the slope-intecept form of the equation for the line. Then I was given a graph and 4 choices for my answer. The graph has points at (3,0) and (-3,-2) the slope I think is 3 Click here to see answer by Alan3354(30993)   Question 367340: A contractor hires two trucking companies to haul 1600 tons of crushed stone for a highway construction project. The contracts state that one company is to haul four times as much as the other. Find the amount hauled by each company. Click here to see answer by checkley77(12569)   Question 367325: A line with y-intercept of 2 that is parallel to 2x + y = -5. Click here to see answer by checkley77(12569)   Question 367418: x-4y= -24 M= B= Click here to see answer by robertb(4012)   Question 367418: x-4y= -24 M= B= Click here to see answer by jim_thompson5910(28598)   Question 367418: x-4y= -24 M= B= Click here to see answer by Edwin McCravy(8924)   Question 367417: x-4y= -24 M= B= Click here to see answer by robertb(4012)   Question 367431: what's the slope and Yintercept of 6x-2y=2 Click here to see answer by edjones(7569)   Question 367644: What is the slope of lines (-2,4) and (5,9)? Click here to see answer by Fombitz(13828)   Question 367630: x+8y=16 Click here to see answer by Fombitz(13828)   Question 367650: find the slope and y-intercept for each line that has a slope and y-intercept: x+y=5 Click here to see answer by Fombitz(13828)   Question 367675: write x square plus eight x minus twenty is less tha zero in interval notation form Click here to see answer by Fombitz(13828)   Question 367689: Using interval notation, the solution to the inequality xsqt+8x-20<0 is all in the interval Click here to see answer by Fombitz(13828)   Question 367662: Write each equation in standard form using only integers: x/2=3y/5 Click here to see answer by Fombitz(13828)   Question 367687: joyce has received a 12% salary increase. she now earns $2800 per month/ what was her salary per month before the in crease? Click here to see answer by nyc_function(2733)   Question 367742: I need help with understanding solving systems of linear equations by graphing. I read the chapter and look on sites in the internet and im still not able to understand this part of algebra. A few examples in the text I tried doing myself are:solve by graphign; x-y=3 x+y=5, 2x-y=4 x+y=5, etc. Can someone please help me Click here to see answer by Edwin McCravy(8924)   Question 367798: For the given point, find the coordinates of the image point under a half-turn about the origin. (2, 0) Click here to see answer by Fombitz(13828)   Question 367796: Solve the system for x and y. Show your answer as an ordered pair, (x, y). x + y = -9 x + y = -2 Click here to see answer by Fombitz(13828)   Question 367804: g(x)=6/2-5x I need to find domain Click here to see answer by Fombitz(13828)   Question 367855: Please help me graph this equation: Click here to see answer by Fombitz(13828)   Question 367880: Write the slope-intercept form of the equation.(-7,5)(-7,7) Click here to see answer by Fombitz(13828)   Question 367887: Find the slope and y-intercept of the line given equation. y=- 2/7 x-3 Click here to see answer by Fombitz(13828)   Question 367884: Evaluate 4x-5y/2x+25 for x=-16 and y=16 Click here to see answer by ewatrrr(10682)   Question 367929: What is the slope of a line parallel to the line y=2/3x-4 in the standard (x,y) coordinate? Click here to see answer by Fombitz(13828)   Question 367929: What is the slope of a line parallel to the line y=2/3x-4 in the standard (x,y) coordinate? Click here to see answer by solver91311(16897)   Question 367905: Write the slope=intercept equation for the line with slope -3/5 and y-intercept (0,-1) Click here to see answer by Fombitz(13828)   Question 367972: A line passes (1,-3) and (-5,2) Click here to see answer by robertb(4012)   Question 368086: 5p+3q=10 2p-3q=4 Click here to see answer by robertb(4012)   Question 368095: My question: graph each line using slope-intercept form 5-y=3/4x This is how far I got: 5-y=3/4x -5 -5 -y=3/4x-5 now this is where im stumped, how do i get rid of the negative on the y? Click here to see answer by stanbon(57424)   Question 368095: My question: graph each line using slope-intercept form 5-y=3/4x This is how far I got: 5-y=3/4x -5 -5 -y=3/4x-5 now this is where im stumped, how do i get rid of the negative on the y? Click here to see answer by nyc_function(2733)

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