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

Tutors Answer Your Questions about Linear-systems (FREE)

Question 452825: y=-x+3
y=x+1
solve by using substitutions

Click here to see answer by Love math(28)

Question 453083: five years ago,neeta was thrice as old as geeta.ten years later ,neeta will be twice as old as geeta.how old are neeta and geeta now?
Click here to see answer by ankor@dixie-net.com(15652)

Question 453270: x - 3% = $970. What is x?

Click here to see answer by Alan3354(30993)

Question 453557: I'm trying to solve this system of equations by graphing:
5x+ y=32
6x+ 7=-8
What is the ordered pair?
Click here to see answer by edjones(7569)

Question 453569: The sum of 2 numbers is 26 and the difference is 10. Help me how to solve the Linear Equations, please.
Click here to see answer by edjones(7569)

Question 453569: The sum of 2 numbers is 26 and the difference is 10. Help me how to solve the Linear Equations, please.
Click here to see answer by solver91311(16885)

Question 453618: How do I solve a linear equation if the y is listed first? For example
-4Y-3x=-4
Click here to see answer by rfer(12660)

Question 453745: Please help me with this question!
y=-x+4
x+2y=12
Click here to see answer by mananth(12270)

Question 453853: slope:2/5
y-intercept:-3
Write the equation of the line given the following information.
Click here to see answer by confusedgirl81(14)

Question 453883: subtract 9 from a certain number gives a result of 7
Click here to see answer by algebrahouse.com(1079)

Question 453887: when a certain number is subtracted from 14, the answer is -3
Click here to see answer by algebrahouse.com(1079)

Question 453911: Use the substitution method to solve the following system of equation
2x-9y=1
x-4y=9
Click here to see answer by algebrahouse.com(1079)

Question 454058: using the graphing method how would you solve this
3x+6y=18
2x+5y=20

Click here to see answer by Alan3354(30993)

Question 454226: how do I Find an equation of the line satisfying the conditions given. Express your answer in standard form. Parallel to 3x – y = -5 and passing through (-1, 0)
Click here to see answer by stanbon(57347)

Question 454260: use substitution method to determine whether the system of linear equations has no solution, one solution,or many solutions
x + 2y = 0
y = - 1/2x
Click here to see answer by robertb(4012)

Question 454259: use substitution method to determine whether the system of linear equations has no solution, one solution,or many solutions
2x - y = 8
x + 4y = 13
Click here to see answer by mananth(12270)

Question 454255: solve using elimination method
x+8y=31
2x+7y=35
Click here to see answer by mananth(12270)

Question 454254: solve using elimination method
x+3y=-20
4x+3y=-17
Click here to see answer by mananth(12270)

Question 454219: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
4x + 3y = -45.5
-5x + 8y = -43
Click here to see answer by mananth(12270)

Question 454258: solve using substitution method
x - 5y = 17
-5x - 6y = 8
Click here to see answer by mananth(12270)

Question 454404: Determine how many solutions exist, and use either elimination or substitution to find the solutions (if any).

x + y = 3 and y = x + 3
Click here to see answer by mananth(12270)

Question 454615: a farmer has 7 3/4 rows of radishes in one field,4 3/4 rows of radishes in another field,and 6 1/4 rows of radishes in the third field.how many rows of radishes does he have altogether?

Click here to see answer by rfer(12660)

Question 454661: Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 mile per hour and B is traveling at 100 miles per hour. Train A passes a station at 7:25 P.M. if B passes at 7:40 P.M. what time will train B catch up to train A?
Click here to see answer by mananth(12270)

Question 454671: true or false?
2x - y = 3 is a linear equation in standard form?
Click here to see answer by ptaylor(2048)

Question 454673: use multiplication with the addition-or-subtraction method to solve the system:
5x + 2y = 14
3x - 5y =27
Click here to see answer by mananth(12270)

Question 454820: For this system of linear equation please determine how many solutions exist, use either elimination or substitution to find the solutions and graph the two lines, labeling the x and y intercepts and points of intersection for the following equation: x=y=3 and y=x+3
Click here to see answer by richwmiller(9135)

Question 454821: For this system of linear equation
Click here to see answer by richwmiller(9135)

Question 454818: For this system of linear equation
Click here to see answer by richwmiller(9135)

Question 454841: the expression (xsquared-2x-6)-(-6xsquared-4x-5)is equivalent to?
Click here to see answer by richwmiller(9135)

Question 454936: find the solution of system of equations seperate x and y
x-2y=-23
x-y=7
Click here to see answer by Alan3354(30993)

Question 454952: graph the equation using the slope and the y-intercept
y=4/3x+2
Click here to see answer by algebrahouse.com(1079)

Question 455015: Solve the system of equations;
If you cannot find a solution, label the lines as parallel or coinciding and explain why.
3x-y=2
16x-5y=11
Click here to see answer by MathLover1(6634)

Question 455163: Solving:
-2 x-3y = 14
5 x-5y = 15

Using Substitution Method.

Click here to see answer by siddhant(1)

Question 455468: how do you solve linear equations?
Click here to see answer by MathLover1(6634)

Question 455586: i want to find out how to solve these two equations using combination
3x-4y=10
3x+6y=30
Click here to see answer by Alan3354(30993)

Question 455901: Can someone please solve using the substitution method?
6x+6y=30
-8x+y=41

Click here to see answer by richwmiller(9135)

Question 456037: how do you find the slope of 4x+20y=5?
Click here to see answer by rfer(12660)

Question 456037: how do you find the slope of 4x+20y=5?
Click here to see answer by edjones(7569)

Question 456045: Trying to help my son but it's been waaaay too long ago:
x^2 + y^2 +4x - 6y -3 = 0
Click here to see answer by lwsshak3(6505)

Question 456052: What is the slope-intercept form of the equations of the line through the given point with the given slope:
(-3,-1), slope=2
(-2,2), slope= - 7/2
Click here to see answer by oberobic(2304)

Question 456460: Can you please help me solve this linear inequality step by step. 5x-1<17-2x
Click here to see answer by zeti68(10)

Question 456482: what is the common solution for the three linear equation x-y=4,x+y=6,x-5y=0
Click here to see answer by Alan3354(30993)

Question 456630: Anna bought two melons and one pineapple for $8.96. If she had purchased one melon and two pineapples, she would have spent $1.49 more. What is the price of a melon? of a pineapple?
Click here to see answer by htmentor(789)

Question 456740: determine whether the given ordered pair is a solution
(7/25, -1/25)
4x+3y=1
Click here to see answer by stanbon(57347)

Question 456740: determine whether the given ordered pair is a solution
(7/25, -1/25)
4x+3y=1
Click here to see answer by richwmiller(9135)

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