Algebra 116

posted by .

I need help with these algebra problems please.

1.Solve by using the substitution method.
a. 8x - 3y =-61
7x + 68 = y What is the solution system _____?
b. 4m + n =27
m - 2n = 9 What is the solution system_______?
c. 8x + 9y = -15
-6x + y = 19 What is the solution System______?
d. 6x + 6y = 36
-4x + y = 21 What is the solution system_______?

2. Solve using the elimination method.
a. x + 7y = 69
-x + 7y = 57 What is the solution system____?
b. 5x + 5y = -13
7x - 3y = 11 What is the solution system____?
c. 9x - 9y = 18
7y - 3x = -8 What is the solution system____?
d. 0.3x - 0.2y = 4
0.4x + 0.3y = -1 What is the solution system_____?
E. 0.05X + 0.25Y = 44
0.15X + 0.05Y = 48 What is the solution system____?

3. The Everton college store paid $1979 for an order of 49 calculators. The store paid $11 for scientific calculator. The others all graphing calculators cost the store $56 each. How man of each calculators were ordered.

The store ordered ____ scientific calculators and ____ graphing calculators.

4Hockey teams receive 2 points when they win and 1 point when they tie. One season a team won a championship with 63 points. They won 9 more games than they tied. How many wins and how many ties did the team have?
How many wins did the team have_____?
How many ties did the team have_____?

  • Algebra 116 -

    We don't do your homework for you. I will be happy to critique your thinking.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math 116 algebra please check

    Solve by the substitution method 3x + 7y =15 x=16-6y What is the solution of the system (-2,3)
  2. Math 116 algebra please check

    Solve by the elimination method 3r-7s=-28 7r+3s=70 What is the solution of the system r=7 and s=7
  3. Math 116 algebra please check

    Solve by elimination method 2x + 3y =1 4x + 6y =2 What is the solution of the system N there is no solution
  4. algebra

    What is the solution of the system? Solve the system of equations using the substitution method. x-y=-1 5x+4y=-23
  5. Linear Equations

    Can you please help solve this equation using the substitution method?
  6. algebra

    Solve using the substitution method and state if the system has a solution. 4p-2q=16 5p+7q=1
  7. Algebra II

    Solve the given system by using a substitution method 9x-2y=3 3x-6=y If you could show the steps because I have 10 problems for homework and I just need an example Thanks
  8. algebra

    i need help with these problems (either a solution or how to plug them into a graphing calculator): 1) Solve by substitution or elimination 4/x + 1/y + 2/z = 4 2/x + 3/y - 1/z = 1 1/x + 1/y + 1/z = 4 2)Solve the system of equations …
  9. Algebra

    Solve using the substitution method. If the system has no solution or an infinite number of solutions, state this. -x + 6y = 54 3x + y = 9
  10. Algebra help needed please!!

    I have a few questions I need help with! 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the solution in terms of a parameter. -3x+y-z=-4 6x-2y+2z=8 …

More Similar Questions