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

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 Question 490568: 7x=36+x+6y solve for y, step by step response Click here to see answer by Alan3354(34677)

 Question 490721: points (-2, 3)and (4,y) slope m=-3 find the value of y Click here to see answer by lwsshak3(7678)

 Question 490740: WHAT IS THE SLOPE AND Y-INTERCEPT OF THE LINE WHOSE EQUATION IS 2X-Y=8? Click here to see answer by nerdybill(7090)

 Question 490981: 9. A dehydrated patient needs a 6.4% saline IV. Unfortunately, the hospital only has bags of 6% and 8% saline solutions. How many liters of each of these solutions should be mixed together to yield 1 liter of the desired concentration? Hello, can someone, anyone please help me with this, thanks so much!! Click here to see answer by stanbon(60771)

 Question 490993: 2. Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. -2x + 0y = -14 x + 11y = 18 please show ne how to do this, not a math genius! Click here to see answer by Alan3354(34677)

 Question 490991: 3. Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 5y = 52.5 30x – 7y = 80.5 I need help??please help! Click here to see answer by Alan3354(34677)

 Question 490988: 4. Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -7x – 5y = 1.5 -5x – 4y = 4.5 Can someone help me solve this? Click here to see answer by Alan3354(34677)

 Question 491009: The line with the equation kx-3y+7=0 is parallel to the line with graident 5. What si the value of k? Click here to see answer by ccs2011(207)

 Question 491026: I need help with graphing y= -8x. If you could explain in detail, each step... that would be great. My name is Andrew, thank you for your help. Click here to see answer by chessace(471)

 Question 491027: Write an equation for the line containing (-6, -6) and (-3, 1)? Click here to see answer by Alan3354(34677)

 Question 491148: Find the equation of the line that passes through th points (4, -2) & (6, -1) Click here to see answer by josmiceli(10616)

 Question 491142: Find the equation of a line that is parallel to x + 3y = 2 and containing the point (0, 0). Click here to see answer by mananth(13127)

 Question 491253: (5, 9)b = (3, 1) b= {(1,2) (2, 3)} how do i solve that to get (2, -2) ?? can i get a step-by-step explanation to getting the answer. Click here to see answer by richard1234(5390)

 Question 491264: Solve the system of equations by graphing: 2x-6y=24 3x-9y=-54 Click here to see answer by mananth(13127)

 Question 491261: solve the system of equations by graphing: 2x+y=7 x+3y=6 When I tried solving this I put y=-2x-7...So that would make it -7/2x but I don't know how I would graph it...and then the second part I have no clue about. Click here to see answer by mananth(13127)

 Question 491379: What is the slope of the line represented by the following equation? 4x-y+3=0 Click here to see answer by ptth176(50)

 Question 491397: Solve the system of equations x + y = 5 x - y = -9 Click here to see answer by ptth176(50)

 Question 491566: How would I graph the line described (-4,-6);m=6? I tried doing the y=mx+b but it really doesn't make sense on this question. Click here to see answer by oberobic(2304)

 Question 491623: The point (-2, -1) lies on line m, line m has a slope of m = -7/10. what is equation of line m Click here to see answer by oberobic(2304)

 Question 491676: Find the value of k for which the graph of 6x-ky= 2 is perpendicular to 2x+3y= 7 Click here to see answer by oberobic(2304)

 Question 491489: If each engineer needs to meet with each other individually, how many engineers would equal 66 meetings? I cannot come up with this number in my son's homework question. I get 8 engineers at 56 meetings, or 9 engineers at 72 meetings. Please help! Click here to see answer by richard1234(5390)

 Question 491903: write an equation of a line with slope 6 passing through the point (6,7) Click here to see answer by rfer(13569)

 Question 491913: Find the equation of the line parallel to 10x + 21y = 15 and passing through the point (0,18). Click here to see answer by lwsshak3(7678)

 Question 492069: What is the slope of the line that contains the points (-2, 5) and (7, 5)? Click here to see answer by Jstrasner(106)

 Question 492073: what are the slope and y-intercept of this equation f(x)=5x-2 Click here to see answer by stanbon(60771)

 Question 492421: Find an equation for the line through the point (7−9) with x intercept 3. Click here to see answer by stanbon(60771)

 Question 492428: y=-4-4x I need to find the Y intercept and then I need to find the X intercept. I am not nowing how to work the problem out the right way. Click here to see answer by rfer(13569)
 Question 492428: y=-4-4x I need to find the Y intercept and then I need to find the X intercept. I am not nowing how to work the problem out the right way. Click here to see answer by scott8148(6628)
 Question 492428: y=-4-4x I need to find the Y intercept and then I need to find the X intercept. I am not nowing how to work the problem out the right way. Click here to see answer by stanbon(60771)

 Question 492504: what are the steps to solving a problem like this: (x+5)/(x+1)+(5)/(x-2) Click here to see answer by stanbon(60771)

 Question 492580: a line passes through points (2,-5), is parallel to graph of x=4 Click here to see answer by WhuddaPeach(6)

 Question 492637: Find and equation of the line through (-5,7) perpendicular to 5x-4y=10 Click here to see answer by mananth(13127)

 Question 492603: line parallel to the line y = 2x + 5 and through the point (2,-3) whats the answer Click here to see answer by mananth(13127)

 Question 492700: Find an equation for the line that passes through the given points. (-5,0) and (1,30) Click here to see answer by mananth(13127)