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

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations  -> Lessons  -> Linear Equations Lesson -> Questions on Algebra: Systems of Linear Equations answered by real tutors!      Log On

 Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo . Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Linear Solvers Practice Answers archive Word Problems Lessons In depth

 Question 260987: Help !! "solve each of the equations" -2x+3y =-9 y= ????? Click here to see answer by solver91311(17077)
 Question 260987: Help !! "solve each of the equations" -2x+3y =-9 y= ????? Click here to see answer by rfer(12729)

 Question 261193: 2x + 7y = 4. solve for y 7y/7=-2x+4 y=2(-x+2)/7 Click here to see answer by jcamille(5)

 Question 261735: Solve the following system of simultaneous linear equations 3x-5y=6 -3x-5y=4 Click here to see answer by stanbon(57960)
 Question 261735: Solve the following system of simultaneous linear equations 3x-5y=6 -3x-5y=4 Click here to see answer by checkley77(12569)

 Question 261738: suppose you can run 250meters per minute downhill and 180 meters per minute uphill. One day you run 1557 meters in 7.6 minutes always either uphill or downhill. Solve the linear system to find the number of meters you ran uphill and downhill. Click here to see answer by Theo(3504)

 Question 261757: -3x + y = 4 solve for x Click here to see answer by richwmiller(9144)

 Question 261776: You planted a 16 inch hemlock tree that grows at a rate of 4 inches per year. Then 5 years later you planted a 10inch blue spruce that grows at a rate of 6 inches per year. In how many years after you planted the hemlock tree will the two trees be the same height? How tall will the trees be? Click here to see answer by williamson.family05(2)

 Question 261846: Find an equation of the line that has the same y-intercetp as the line x-3y=6 and contains the point (5,-1). Click here to see answer by solver91311(17077)

 Question 261876: suppose M is between L and N use segment Additing postulate to solve for the variable then find lengths of line LM, line MN and line LN. LM= 3x+8 MN= 2x-5 LN= 23 Click here to see answer by drk(1908)
 Question 261876: suppose M is between L and N use segment Additing postulate to solve for the variable then find lengths of line LM, line MN and line LN. LM= 3x+8 MN= 2x-5 LN= 23 Click here to see answer by solver91311(17077)
 Question 261876: suppose M is between L and N use segment Additing postulate to solve for the variable then find lengths of line LM, line MN and line LN. LM= 3x+8 MN= 2x-5 LN= 23 Click here to see answer by checkley77(12569)

 Question 261879: how to solve using substitution y=2x-3 and y=-x-3 Click here to see answer by drk(1908)
 Question 261879: how to solve using substitution y=2x-3 and y=-x-3 Click here to see answer by richwmiller(9144)
 Question 261879: how to solve using substitution y=2x-3 and y=-x-3 Click here to see answer by solver91311(17077)

 Question 261950: how do i find the point slope equation of this line using the point (3,5) Click here to see answer by dabanfield(803)
 Question 261950: how do i find the point slope equation of this line using the point (3,5) Click here to see answer by checkley77(12569)

 Question 261949: I don't understand how to use the point slope equation...example if a line passes through the point (3,5) and (1,2) it's slope is what??? Click here to see answer by checkley77(12569)

 Question 262091: y=-x+16 y-x=2 I have to use substution method. I got x=-5 and y=-3, but i doubt it is right Click here to see answer by unlockmath(1614)

 Question 262316: how do i solve word problems involving coin problems/stamp problems and find integers in word problems Click here to see answer by stanbon(57960)

 Question 261108: Put the following systems into Slope-Intercept form, then us a graphing calculator to find the point if intersection of the two lines. Sketch a picture of each graphs with their solution. 2/3 - y = -4 -5x + y = -9 ???? Click here to see answer by richwmiller(9144)

 Question 262410: constructing equations how do you construct this into a equatin? a spa had specials for new members. they can get 3 facials and 5 manicures for \$114 or 3 facials and 2 manicures for \$78. what are the prices for facials and manicures? Click here to see answer by Theo(3504)

 Question 262451: the sum of two numbers is 42 the greater number is three more than twice the lesser number. what are the numbers? constructing equations how do i construct this to a equation? Click here to see answer by stanbon(57960)

 Question 262453: constructing equations a trip to the waterpark cost a group of 13 children and 2 adults and 2 adults \$137.50. another group of 9 children and 2 adults paid \$103.50. how much does each type of ticket cost? how do i construct by a equation Click here to see answer by richwmiller(9144)

 Question 262530: the sum of two numbers is 3. the difference between the two numbers 1 solve by graphing Click here to see answer by richwmiller(9144)

 Question 261659: what is the standard form of a circle with the radius of 4 and center 0f 0,0 Click here to see answer by Alan3354(31513)

 Question 262710: Find the x and y intercepts for each line. Apply elimination or subsitution to find the coordinates fo the point of the intersection 15x+11y=-17 8x-6y=74 Click here to see answer by richwmiller(9144)

 Question 262748: Write an equation in point-slope form for the line through the given points or through the given point with the given slope. (5,7), (6,8). Click here to see answer by drk(1908)

 Question 262755: Write an equation in point-slope form for the line through the given points or through the given point with the given slope. (6,-2); m = -4/3 Click here to see answer by Alan3354(31513)
 Question 262755: Write an equation in point-slope form for the line through the given points or through the given point with the given slope. (6,-2); m = -4/3 Click here to see answer by drk(1908)

 Question 262754: Write an equation in point-slope form for the line through the given points or through the given point with the given slope. (4,7); m = 3/5 Click here to see answer by Alan3354(31513)

 Question 262751: Write an equation in point-slope form for the line through the given points or through the given point with the given slope. (1,2), (3,8) Click here to see answer by Alan3354(31513)

 Question 262752: Write an equation in point-slope form for the line through the given points or through the given point with the given slope. (-2,3); m = 4 Click here to see answer by butterfliiizzz(18)

 Question 262749: Write an equation in point-slope form for the line through the given points or through the given point with the given slope. (-2,3); m = -1 Click here to see answer by butterfliiizzz(18)

 Question 262900: The sum of the digits of a certain two-digit number is 7.Reversing the digits increases the number by 9.What is the number? Write and solve linear systems of equation for these problems. Click here to see answer by ankor@dixie-net.com(15746)