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

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Algebra: Linear Equations, Graphs, Slope

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Question 20: Can a linear equation have two variables?
Click here to see answer by ichudov(404)

Question 21: graph each equation on a separate coordinate grid.
y=3x
y=x+1
y=2x+3
Click here to see answer by ichudov(404)

Question 25: how do you graph this....
y= -7x + 14
Click here to see answer by ichudov(404)

Question 28: Determine the equation of this line: The line through ( -2, 0) with slope -3/4
Click here to see answer by ichudov(404)

Question 30: 2A/3=8+4A What is A?
Click here to see answer by AnlytcPhil(958)

Question 66: How do I check the solution for 7m+8=71
Click here to see answer by mcateeDC(3)

Question 77: I am in year 7 and I have a question. Could you please explain the term Linear Equation. I have looked on the internet, but the explanations are too complicated, could you please explain it to me so it can make more sense. Thank You, Ryan aged 12
Click here to see answer by AnlytcPhil(958)

Question 81: In standard form, find the equation of the line passing through (1,8) and
(-2,-1)
Click here to see answer by ichudov(404)

Question 91: can linear equations have decimals for example: x-0.5=0 is this a linear equation.
Click here to see answer by ichudov(404)

Question 194: how would u check the solution 3n+6=-15
Click here to see answer by ichudov(404)

Question 2: Hi! I need help finding the slope of this line and the x and y intercepts.

Click here to see answer by ichudov(404)

Question 74: Find the slope and y-intercept of the graph of each equation for:

Click here to see answer by wynona(4)

Question 118: Why is it true that a line perpendicular to y= 4x-3 would have the slope of -1/4??
Click here to see answer by terrtwo(10)

Question 259: how do you solve linear equations
Click here to see answer by williams(3)

Question 263: find the equation of the line that contains the points (2,2)and(-4,5).
Click here to see answer by terrtwo(10)

Question 255: Solve for m and b
1.6x-y=-10
I dont understand what to do and how to do it
Please help me this is tonights homework!!!

Click here to see answer by whenindoubt(13)

Question 217: I want to know when I will ever use linear equations in my life. Why do I have to learn this?
Click here to see answer by whenindoubt(13)

Question 287: To produce 80 copies of a magazine costs 52 cents per copy.
To produce 760 copies of the magazine costs 35 cents per copy.
a) Name two ordered pairs.
b) Write the linear equation.
c) Predict the cost per copy for 480 copies.
Click here to see answer by AnlytcPhil(958)

Question 304: i need to know a step by step waty to get 36 from 3x/4-2=X/2+7
Click here to see answer by AnlytcPhil(958)

Question 302: What is the slope of a line passing through (2,3) and (4,1)?
Click here to see answer by AnlytcPhil(958)

Question 330: how does -2x+4(-2x-2)=-1+4(x-1) come out to equal -13/2? if you could please send a detailed step by step way that this question is solved.
thank you
Click here to see answer by AnlytcPhil(958)

Question 314: On solving linear equations how do you graph y=2/3x-3?
Click here to see answer by ichudov(404)

Question 441: find the slope and y-intercept of each line. graph the line.
-x+3y=6
Click here to see answer by AnlytcPhil(958)

Question 540: okay i need to know when you have to switch the sign to the linear eqations like for example x+y is less than or equal to 2. Would I change the sign to make it greater than because you subtract..HELP!!!!!!!!!!!!!!!!!!!!!!!!
Click here to see answer by citychic3(8)

Question 502: How do you find the slope of (2,3) (7,6)
Click here to see answer by askme(9)

Question 587: what is the slope of the line y=-3
Click here to see answer by citychic3(8)

Question 617:
Click here to see answer by AnlytcPhil(958)

Question 636: There are twenty-four coins consisting of nickels and dimes. If the value of the conins is $2.20, then how many nickels and dimes are there each?
Click here to see answer by lordacro(12)

Question 628: Solve for X: 2x-7=5x+8
Click here to see answer by lordacro(12)

Question 616: Solve for y.
Click here to see answer by lordacro(12)

Question 593: I am having a hard time with this one, 4-7d=13-4d, could you provide a little help, every answer I come up with does not fit. I come up with d=9/3 everytime, but that does not, fit into the equation. Unless I am doing that step wrong also...Thank you...
Click here to see answer by janinecb(25)

Question 586: What is the y-intercept of y=-2x+1

Click here to see answer by janinecb(25)

Question 582: Find the equation of the line that contains the point (0,5) and is perpendicular to the line y= 1/4x
Click here to see answer by janinecb(25)

Question 580: Find the equation of the line parallel to y=5x-2 and passing through the origin.
Click here to see answer by janinecb(25)

Question 739: I am having a hard time trying to determine the slope intercept form of an equation of a line that passes through the points (6, -2) and has a y - intercept of -2. can you please explaine steps-by-steps
Click here to see answer by raisetoana(4)

Question 695: determine the intercepts algebraically.
2x-3y=12
Click here to see answer by raisetoana(4)

Question 753: 4x+6x+9=0
Click here to see answer by AnlytcPhil(958)

Question 807: i need help on solving equations using addition and attraction. example -2=x-4.
Click here to see answer by pushpaharan(47)

Question 798: -7(x+4)-7 = -7(-4x + 2)+ x
Click here to see answer by pushpaharan(47)

Question 855: 4x-y=-27 graph it

Click here to see answer by usyim88hk(157)

Question 893: Given A(2,3) and B(5,8), write an equation of a line parallel to AB containing the point P(-2,-4).
Click here to see answer by usyim88hk(157)

Question 987: Are these linear equations?
*y=-4
*3=2x+y
*y=1/4xsquared
Click here to see answer by DDMSMathTutor(2)

Question 1051: c+45.6-38.25=112.76

Click here to see answer by usyim88hk(157)

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