# Questions on Algebra: Systems of Linear Equations answered by real tutors!

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 Linear Solvers Practice Answers archive Word Problems Lessons In depth

 Question 23704: How can i figure these linear equations out they are so confusing. For example, trying to find three ordered pairs, why three?? ex: y = 7- 4x PLEASE HELP ME ASAP THANKS : ) Click here to see answer by rapaljer(4667)

 Question 23679: write an equation of the line that passes through each point with the given slope. (-3,-5),m=-5/3(5 over 3) Click here to see answer by venugopalramana(3286)

 Question 23661: what is the answer for these problems. Iam having diffcult with just these, please show work and use sub. or eilm. thanks. 1. x-9y=237 5x+3y=-267 2. x-4y=119 16y--432 3. 4x+5y=1 14x+5y=191 4. 8x+y=74 3x+19y=363 5.9x+17y=-475 7x+11y=-285 6. 9x+13y=536 9x+16y=587 7. 10x-y+-145 13x+3y=-339 8. 17x-8y+=154 17x-12y+=150 9. 11x-4y=364 2x-19y=322 10. x+2y=47 x-3y=7 11. 3x-4y=-198 x-3y=-111 12. 12x+13y=491 12x+19y=629 Click here to see answer by elima(1433)

 Question 23653: I am trying to solve a system by substitution. Can you please show me how to solve this? 27y = 3x + 3 5y - 4x = 8 Thank you, Brandon Click here to see answer by rapaljer(4667)

 Question 23785: I would like you opinion on which method would you prefer to use when solving systems of equations, elimination or substitution? Click here to see answer by elima(1433)

 Question 23995: can u help me with this equation: -3(h-6)=5(2h+3) Click here to see answer by yhtong(11)

 Question 24007: 5x+6y=12 How do I solve this system of linear equation? 3x-2y=-4 Click here to see answer by venugopalramana(3286)

 Question 24092: a boy has \$350.00 in nickel and dimes in his pocket. if there are 45 coins, how many kind were there. Click here to see answer by rapaljer(4667)
 Question 24092: a boy has \$350.00 in nickel and dimes in his pocket. if there are 45 coins, how many kind were there. Click here to see answer by Paul(988)

 Question 24225: The combined age of two people is 91. Person A is twice as old as person B was when Person A was as old as Person B is now. How old is each person? Click here to see answer by AnlytcPhil(1278)

 Question 24526: I am having trouble with this problem. SOLVE THIS SYSTEM OF EQUATIONS, WHEN POSSIBLE... x+y+z=4 x-y+2z=8 2x+y-z=3 I used the elimination method and broke this down into two equations with only two variables. I try to eliminate another variable, but cannot do it! HELP PLEASE!! Click here to see answer by Earlsdon(6291)

 Question 24552: Solve for x in the expression: - ( 1/x ) – 5 = 0; Show your recheck. I'm not sure what to do with the -(1/x)? Click here to see answer by Earlsdon(6291)

 Question 24598: Would someone please tell me if this is correct?! Thank You! 9x^2-4y^2 Is this Prime Factorized??? Click here to see answer by Earlsdon(6291)

 Question 24635: how do i do this problem? Solve by graphing {x+7=y {-4+2=y Click here to see answer by rapaljer(4667)

 Question 24596: Here is the problem: Factor polynomial completely. 250-16x^3 Thanks! Click here to see answer by rapaljer(4667)

 Question 24670: I have worked this problem about 5 times and the answers I get do not satisfy each equation. Could someone please tell me if this equation is inconsistent?? Solve this system of equations, when possible: x-y+z=7 2x+5y-4z=2 -x+y-z=4 these are the answers I got, but do not satify each equation! x=-4, y=-6, z=10 x=10, y=6, z=-3 I then multiplied 1)by -2 and 3)by 2 and added them seperatley to 2) and got answers of: 7y-6z=10 and 7y-6z=-12 I then subtracted them and got: 0=-2 which is and inconsistent system, right??!! Thanks! Click here to see answer by stanbon(57424)

 Question 24713: I need help with a linear equation with variables on both sides. Example:2p-9=5p+12 How would I do this? Thank You, Chris Click here to see answer by algebrapro18(206)

 Question 24726: solve algebraically for the value of x where these two lines cross:3y=21-6x and 3y=24-9x (show work) Click here to see answer by rapaljer(4667)