# 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 751585: 2l+2w=228 L=w+42 How do you find the length(L) and width(w)? Click here to see answer by Cromlix(353)
 Question 751585: 2l+2w=228 L=w+42 How do you find the length(L) and width(w)? Click here to see answer by stanbon(57377)

 Question 750732: how do I solve this equation? -0.3(x-6)+ x = 0.5(3-x) Click here to see answer by rfer(12662)

 Question 750418: does 3x+7y=8 and 21y=-9x+24 have one solution, no solution or infinitly many solutions Click here to see answer by tommyt3rd(606)
 Question 750418: does 3x+7y=8 and 21y=-9x+24 have one solution, no solution or infinitly many solutions Click here to see answer by MathLover1(6634)

 Question 750415: does 4x-3y=6 and 8x=6y+10 have one solution, no solution, or infinitley many solutions Click here to see answer by Alan3354(30993)

 Question 750317: 6X+8y=10 26x+48y=2 sir/mam, how to find the value of x and y....pls rply with full explaination..what isthe basic thing need to do for solving linear equation..pls rply.....am very poor in mathematics.. Click here to see answer by kibauu(33)

 Question 750119: Which of the coordinate pairs below is a solution to the following system of equations? x2 + y2 = 18 5x + y = 17 Click here to see answer by Alan3354(30993)

 Question 750104: The cost of 2 bagels and 2 cans of juice is \$4.40. The cost of 3 bagels and 4 cans of juice is \$7.80 a. write a system f equations to represent this situation. b. Solve the system of equations by substitution. Explain what the solution means. Click here to see answer by JoeTaxpayer(135)

 Question 750045: If you rent a car for 4 days, your bill will be \$44. If you rent the same car for 10 days, your bill will be \$100. Write an equation for the cost of the rental. Click here to see answer by tommyt3rd(606)

 Question 749526: a rectangle has an area of 126 units ^2 and a perimeter of 46 units. Find the dimensions Click here to see answer by Alan3354(30993)

 Question 749517: How do you workout the problem x^2+9y^2=9 -2x+1y=-3 by elimination method Click here to see answer by Alan3354(30993)

 Question 749059: if a+a+a=15 and is smiplified as 3a.what would h+h+h+h be? Click here to see answer by MathLover1(6634)

 Question 748673: What is the equation of the line that passes through (5, -2) and (-3, 4)? Click here to see answer by MathLover1(6634)

 Question 748605: Solve the following system of equations. 5x - y = 7 2 + x = 7y Click here to see answer by Cromlix(353)

 Question 748492: two sums of y=x y=-3x-8 I know on a linear graph they meet at co-ordinates (-2,-2) ive been asked to solve the two above sums usng eliminaton and subsitution method for simultanious linear equations I have spent all day trying to work it out ad just cant grasp it could you help please Click here to see answer by nilan(15)

 Question 747617: the length of a rectangle is twice its width if the length decreases by 6cm and the width increases by 5 cm the rectangle becomes a square find the area of the rectangle Click here to see answer by checkley79(3050)

 Question 747292: Please help me solve this equation? A family refers to a group of two or more people related by birth, marriage, or adoption who reside together. In 2000, in Country A, the average family net worth was \$240,000 and there were about 8.6 times 10^7 families. Calculate the total family net worth in Country A in 2000. Country A's total family net worth is __ dollars ( use scientific notation. Use the multiplication symbol in the math palette as needed, Round to the nearest tenth as needed. ) Click here to see answer by rothauserc(210)

 Question 747255: Help me solve this equation please. Simplify the expression. Assume that all variables represent nonzero numbers. 6p^3 times 3p^5 = __ Click here to see answer by josmiceli(9691)

 Question 746857: Find the solution to the system of equations given below by using linear combination: 8x + 4y = 48 4x – 2y = 40 A. (8, -4) B.(11, 2) C.(-8, 24) D. (8, 4) Click here to see answer by checkley79(3050)

 Question 746901: how do you work it all out? how do you do the steps? how to solve it? Click here to see answer by Alan3354(30993)

 Question 745912: Sove graphicallt the system of Linear Equations: x+3y=11,3x+2y=12 Click here to see answer by stanbon(57377)

 Question 745505: Please solve this system completely and show all work. Solve for x, y, and z. x + 2y + z = 7 3x - y + z = -12 4x + 3y -2z = 9 Click here to see answer by sachi(392)

 Question 745343: x= adult tickets y= children tickets 5x + 3y = 134 x + y = 32 whats true about this equation? a.) More adults attended the reunion than children b.) six more children attended that adults c.) nineteen children attended the reunion d.) three more adults attended than children i didnt know how i would solve this? Click here to see answer by mananth(12270)