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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 222729: how to put -2x+3y=8 into slope-intercept form
Click here to see answer by jim_thompson5910(35256)

Question 222743: graph y=x
Click here to see answer by user_dude2008(1862)

Question 222842: How can 12 - 6 = -6
This is a problem I got from my algebra teacher today.
12 - 6 = -n
she said the answer is -6
How can that be true when in elementary school I learned that 12 - 6 = 6.
Thanks
Click here to see answer by jim_thompson5910(35256)

Question 222869: Hi. Im in gr.10 math and I was wondering if you could help me with this question. Also, if you could email me and help me study for my quiz (Im having trouble with math) i'd be very grateful.
Anyway, here's the question that Im having the most problems with:
Find the coordinates of the point of intersection of the graphs defines by each linear system.
e) a- 3/4b = -4
a + 1/4b = 0

Thanks again.
Click here to see answer by stanbon(75887)

Question 222971: How to solve linear equations with fractions step by step?
Click here to see answer by Theo(13342)

Question 222940: Find an equation of the line with the given slope and containing the given point.
Slope= 2/3; (-3,3)
Click here to see answer by jim_thompson5910(35256)

Question 223152: graph the equation and identify the y intercept 2y+5x=-2
Click here to see answer by rfer(16322)

Question 223172: graph the equation y=4
Click here to see answer by jim_thompson5910(35256)

Question 223187: I need help with graphing the equation -x+2y=4
Click here to see answer by checkley77(12844)

Question 223207: How do I graph this equation and find the y intercept. Can you show me how it will look on the graph?
y=1/2x
Click here to see answer by rfer(16322)

Question 223265: Substitution of an equation.
x+5y=4
3x+15y=-1
Click here to see answer by stanbon(75887)

Question 223293: My Teacher Gave Me This Equation Today:
5x + 6y = 3x + 2
How Would You Solve This Equation?
Click here to see answer by Alan3354(69443)

Question 223490: Write an equation of the line having the given point and containing the given line.
m = -8 (6,9)
Click here to see answer by jim_thompson5910(35256)

Question 223622: find the slope of the line y=-3x
Click here to see answer by checkley77(12844)

Question 223622: find the slope of the line y=-3x
Click here to see answer by Edwin McCravy(20055)

Question 223614: How do you solve x + 3y=6?

Click here to see answer by checkley77(12844)

Question 223654: Solve the system of equations by graphing. Then classify the system as consistent or inconsistent and as dependent or independent.
5x-4y=-28
4y-5x=28
What is the solution of the system of equations?
A. A point
B. No solution
C. Infinitely many solutions
Is the system consistent or inconsistent?
Are the equations dependent or independent?
Click here to see answer by drj(1380)

Question 223662: what is the solution to the equation -5x+4y=6 and 3x-y=2
Click here to see answer by drj(1380)

Question 223719: 7x-8-4x=25
Click here to see answer by drj(1380)

Question 223731: V=-1/2t+3
Click here to see answer by jim_thompson5910(35256)

Question 223752: how do i find the equation for 3/4(6,-1)
Click here to see answer by drj(1380)

Question 223781: How would you put this expression in algebraic form?
The difference of twice x and y is 6
Click here to see answer by drj(1380)

Question 223822: The lesson's heading is the following: Solve each system of equation and the sum I need help with is:
5x + 2y = 12
6x - 4y = -7

Click here to see answer by drj(1380)

Question 223833: Find the slope if it exists x+3y=6
I came up with x+3y-3=6-3= 3 therefore the slope exists and it is 3
Click here to see answer by drj(1380)

Question 223826: Solve 11-9y-9y<83. the soultion set is
Click here to see answer by rfer(16322)

Question 223918: x+2=4
Click here to see answer by drj(1380)

Question 224099: Determine whether this statement "makes sense" or "does not make sense" and explain your reasoning. I use y = mx + b to write equations of lines passing through two points when neither contains the y-intercept.
Click here to see answer by rapaljer(4671)

Question 224146: 3(0)-2y=-6
Click here to see answer by nerdybill(7384)

Question 224177: The slopes of two lines are the negative reciprocal of eath other for example: y=2x and y = -1/2x
What must be true about the two lines?
Is the conjecture true if the y-intercept of either equation is not zero? explain
Click here to see answer by Alan3354(69443)

Question 224211: Find the slope from the equation.
-30+10y=-2x
Click here to see answer by rapaljer(4671)

Question 224210: Find the slope from the equation.
x+5+y=0
Click here to see answer by rapaljer(4671)

Question 224221: Write the slope intercept form of the equation of the line through the given point with the given slope.
through: (-2,5), slope=-4
Click here to see answer by drj(1380)

Question 224221: Write the slope intercept form of the equation of the line through the given point with the given slope.
through: (-2,5), slope=-4
Click here to see answer by rfer(16322)

Question 224244: Write the slope intercept form of the equation of the line through the given point with the given slope.
through: (3,5), slope=5/3
Click here to see answer by rfer(16322)

Question 224252: Write the slope intercept form of the equation of the line through the given point with the given slope.
through:(-1,2), slope=2
Click here to see answer by rfer(16322)

Question 224250: Write the slope intercept form of the equation of the line through the given point with the given slope.
through:(3,1), slope=1/2
Click here to see answer by rfer(16322)

Question 224246: Write the slope intercept form of the equation of the line through the given point with the given slope.
through: (2,-4), slope=-1
Click here to see answer by rfer(16322)

Question 224253: Write the slope intercept form of the equation of the line described.
through:(4,2), parallel to
Click here to see answer by drj(1380)

Question 224247: Write the slope intercept form of the equation of the line through the given point with the given slope.
through: (2,5), slope=undefined

Click here to see answer by rfer(16322)

Question 224219: Write the slope intercept form of the equation of the line through the given point with the given slope.
through: (3,-1), slope=-1
Click here to see answer by rfer(16322)

Question 224218: Write the slope intercept form of the equation of the line through the given point with the given slope.
through: (1,2), slope=7
Click here to see answer by rfer(16322)

Question 224218: Write the slope intercept form of the equation of the line through the given point with the given slope.
through: (1,2), slope=7
Click here to see answer by drj(1380)

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