SOLUTION: The equations –a – 7b = 14 and –4a – 14b = 28 represent a system of linear equations. Which statement correctly explains how to eliminate the variable b when solving the system of
Algebra.Com
Question 1054202: The equations –a – 7b = 14 and –4a – 14b = 28 represent a system of linear equations. Which statement correctly explains how to eliminate the variable b when solving the system of equations
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
You didn't provide the statements.
Multiply eq. 1 by (-2) and add to eq. 2.
Multiply eq. 2 by (-1/2) and add to eq. 1.
RELATED QUESTIONS
Solve the following system of equations.
4a+7b=-24
8a+3c=2... (answered by TimothyLamb)
Which correctly explains the number of solutions of the following system of line... (answered by Alan3354,Fombitz)
What does the solution of a system of linear equations represent?... (answered by Fombitz)
How do you solve this system of linear equations 4a=7-b and 4a-3-b using the substitution (answered by stanbon)
Use the elimination method to solve the system of equations
a+7b=15... (answered by Alan3354)
Solve and then check the system of equations by substitution method. SHOW ALL WORK AND... (answered by Alan3354)
Solve and then check the system of equations by substitution method. SHOW ALL WORK STEP... (answered by josgarithmetic,MathTherapy)
Bob has 39 coins in nickels and dimes he has a total of $2.45. let x represent the... (answered by richwmiller)
Solve the following system of linear equations by substitution. (If there is no solution, (answered by Alan3354)