SOLUTION: Solve the system by elimination. If the system is inconsistent or has dependent equations, say so.
-7x + 5y = -20
-3x - 2y = 8
Algebra.Com
Question 40822: Solve the system by elimination. If the system is inconsistent or has dependent equations, say so.
-7x + 5y = -20
-3x - 2y = 8
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
From
-7x + 5y = -20
-3x - 2y = 8
let's multiply the top one by 2 and the bottom one by five...then add them...we get
-14x + 10y = -40
-15x - 10y = 40
now add them to get
-29x = 0 and
x = 0
then
y = -4
Solution is (0, -4)
RELATED QUESTIONS
Solve the system by elimination. If the system is inconsistent or has dependent... (answered by stanbon)
Solve the system by elimination. If the system is inconsistent or has dependent... (answered by fractalier)
Solve the following system of equations by graphing. If the system is inconsistent or the (answered by ikleyn)
Solve the following system of equations by graphing. If the system is inconsistent or the (answered by MathLover1)
7x-4y=3
21x-12y=9
Solve the following system of equations by graphing. If the system is (answered by Boreal,MathLover1)
Solve the system by substitution or elimination. If a system is inconsistent or has... (answered by Alan3354)
Solve the following system of equations by graphing. If the system is inconsistent or the (answered by MathLover1)
Solve the following system of equations by graphing. If the system is inconsistent or the (answered by stanbon)
Solve the system by substitution or elimination. If the system is inconsistent or has... (answered by Alan3354)