SOLUTION: use elimination to solve the system x-4y=1 and x+2y=19 for x
a.-11
b.3
c.24
d.13
Algebra.Com
Question 64782: use elimination to solve the system x-4y=1 and x+2y=19 for x
a.-11
b.3
c.24
d.13
Answer by 303795(602) (Show Source): You can put this solution on YOUR website!
Equation 1 : x-4y=1
Equation 2 : x+2y=19
Multiply the second equation by 2 to get
New Equation 2 : 2x+4y=38
Add the new equation 2 to the original equation 1 to get
3x = 39
x=13
Substitute x=13 into one of the equations to find the value for y(=3).
RELATED QUESTIONS
use elimination to solve the system x-4y=1 and x+2y=19 for... (answered by 303795)
CRAMER RULE, ELIMIATION OR SUBSTITUTION METHOD, AND MATRICES PRACTICE PROBLEMS
1. (answered by richard1234)
I've missed a lot of school because I've been sick and I'm trying to get all of my work... (answered by jsmallt9)
1. What is the formula for the determinant of a 3 x 3 matrix ?
A.
B.... (answered by richard1234)
6.1
I. Solve each system by graphing, and classify the system as dependent or... (answered by Flake)
Please help with these difficult homework problems:
1. Find the intersection point of... (answered by robertb)
Use the elimination method to find all solutions of the system;
A. 5x+2y=-19... (answered by rmromero)
Solve the system using the substitution method. Show all your steps.
1. x+2y=6... (answered by checkley79)
Solve this system of equations using any method.
3x – y = 4
x + 2y = 13
A.
(3, (answered by stanbon)