# Questions on Algebra: Systems of equations that are not linear answered by real tutors!

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 Algebra: Systems of equations that are not linear Solvers Lessons Answers archive Quiz In Depth

 Question 5439: what is the slope of the line whose equation is 4x+5y=10 a.-4/5 b.2 c.4 d.-4 thanks for your help! Click here to see answer by longjonsilver(2297)

 Question 5467: I need to know how to graph 3x-2y=6 x+y=2 and i also need to know how many solutions it has. can you help me please? thanks a lot! Click here to see answer by longjonsilver(2297)

 Question 5469: I need to know how to graph x+y=4 x+y=9 and i also need to know how many solutions it has. can you help me please? thanks a lot! Click here to see answer by longjonsilver(2297)

 Question 5470: I need to know how to graph x+2y=3 3x-y=-5 And I also need to know how many solutions it has. Could you please help me? thanks! Click here to see answer by longjonsilver(2297)

 Question 5471: I need to know how to graph 3x+y=-4 6x+2y=-8 And I also need to know how many solutions it has. Could you please help me? thanks! Click here to see answer by longjonsilver(2297)

 Question 5645: what is the slope of the line whose equation is 4x+5y=10 I think that the answer is -4/5 Is that right? Thanks you so much for helping me! I really appreciate it. Click here to see answer by ichudov(499)

 Question 6485: Can you help with this non-linear systems of equations X^2 - Y^2 = 32 X - Y = 8 Thank you in advance. Click here to see answer by ichudov(499)

 Question 6323: Complete the ordered pairs so that each is a solution to the given linear equation. Prenset your answer as an ordered pair. y = 3x + 6 (a) (0, ?) (b) (2, ?) Click here to see answer by ichudov(499)

 Question 4990: Solve using the substitution method. #1 y=5-x 3x-4y=-20 #2 x+2y=6 2x+3y=8 #3 3x+y=1 x=2y+5 #4 x+y=6 y=3-2x #5 s+t=5 s=13-3t #6 x-y=4 y=2-x Click here to see answer by nidz(2)

 Question 6846: Hello, I'm stumped on yet another problem... Solve the following nonlinear system by substitution: In advance, THANKS SO MUCH for your assistance!!! Click here to see answer by prabhjyot(164)

 Question 6845: Hello, I need assistance with the following problem: Solve the following nonlinear system by elimination: In advance, thanks so much for your assistance!!! Click here to see answer by prabhjyot(164)

 Question 6844: Hello, I need assistance with the following problem. Solve the following nonlinear system: I'm stumped on this one. In advance, thank you for your assistance! Click here to see answer by longjonsilver(2297)

 Question 6923: Longjonsilver had walked me through the following problem, but didn't actually solve it for me. I would like to see if the answer I came up with is correct. Thank you. x^2+y^2=13 = 2x^2+2y^2=26 y=2x^2-5 = 2x^2=y+5 y+5+2y^2=26 2y^2+y-21=0 (2y+7)(y-3) 2y+7=0 y-3=0 y=-7/2 or y=3 x^2-7/2^2=13 x^2+49/4=13 x^2=52/4-49/4 x^2=3/4 x=+ or - sqrt3/4 x^2+3^2=13 x^2+9=13 x^2=4 x=+ or - 2 ORDERED PAIRS ARE (-7/2, SQRT3/4) (-7/2,-SQRT3/4) (3,2) (3,-2) THANK YOU IN ADVANCE!!! Click here to see answer by longjonsilver(2297)

 Question 7552: How do i solve this multi-step equation? 4 + x -2(x-6)= 8 Click here to see answer by bonster(299)

 Question 7687: I have tried and tried to get this right and when I check the answer and am not even near been correct: Problem: 4x + 3y = 59 2x + 3y = 43 added together you get: 6x + 6y = 102 6x/6 = 102/6 x = 17 I know this is not correct because when substitute of x I am not correct? See 4(17) + 3y = 59 98 + 3y =59 HELP! I know that it is simple but, I keep doing it wrong. I had 75 problems, and the problems without negative numbers seem to mess me up. Thanks Click here to see answer by prince_abubu(198)

 Question 7839: I need to figure the following out. I have tried it but I get confused, I can't seem to get anywhere with it x varies directly as the square of s and inversely as t. How does x change when s is doubled? When both s and t are doubled? Click here to see answer by Earlsdon(6287)

 Question 8586: help me solve the equation: x + 2 = x + 3 ______________ 3 4 It should be x + 2/3 = x + 3/4 thanks Click here to see answer by prince_abubu(198)

 Question 9325: help! x-y=3 x+y=7 i need help to solve this. Click here to see answer by lucky83(12)

 Question 10480: How would you solve the following problems: 3(-2-3x)=-9x-4 5/2t-t=3/2t+3 Click here to see answer by WannabeCAgirl83(35)

 Question 12428: please help me solve this problem. Solve the system using any algebraic method x + y + 2z =5 x + 2y + z = 8 2x + 3y - z = 1 Thanks for helping me solve this problem. KAt Click here to see answer by AnlytcPhil(1276)

 Question 13699: use the order of operations to simplify the expression 7-4[3-(4y-5)] My book says the answer is 16y-25. I can not figure out how to get that answer.This is what I came up with 7-4[3-(4y-5)] 7-4[3-(-1y)] 7-4*4y 7-16y Click here to see answer by 600891(4)

 Question 13938: Hello. I have a very important test on Friday and I'm having some trouble with these types of problems. I would very much appreciate if you could explain to me the steps as to how to solve this problem and some tips as to how to solve this problems in general because they are all different. I figured out that x^2=y^2 and determined that the two points of intersection are (0,0) and (1,1) but I get a third point and I don't know why. I appreciate your help. Click here to see answer by Earlsdon(6287)

 Question 13946: I am trying to help my nephew figure out how to solve an equation 3(x+2)=4(5+x) I tried another web site and the answer I was given is 14, but how is this figured out? HELP..... Click here to see answer by Earlsdon(6287)