SOLUTION: Use the elimination method to solve the system of equations. 5u+3v= -16, 2u+v= -7
Algebra.Com
Question 511326: Use the elimination method to solve the system of equations. 5u+3v= -16, 2u+v= -7
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
5u+3v= -16
2u+v= -7
.
multiply the second equation by 3 and then subtract
.
5u +3v = -16
6u +3v = -21
-------------
-u +0v = 5
.
u = -5
.
5(-5) + 3v = -16
-25 + 3v = -16
3v = 9
v = 3
.
check using the second equation
.
6u + 3v = ??
6(-5) + 3(3) = -30 +9 = -21
correct
.
Answer u = -5, v = 3
.
Done.
RELATED QUESTIONS
5u+3v=-16
2u+v=-5
use method of elimination to solve the system of... (answered by Alan3354)
Use the elmantion method to solve tje syst of equations 5u+3v=-17... (answered by MathLover1)
Use the elimination method to solve the system of equations:
3u+2v=-17
2u+v=-8... (answered by Alan3354)
Help me solve the equation elimination method
5u-v=0... (answered by Tatiana_Stebko)
5u+3v=5
4u-v=4
use substitution method to solve system
if dependent or inconsistent, (answered by checkley71)
Use linear combinations to solve the system of linear equations.
2v=150-u... (answered by Fombitz)
Solve by THE Elimination method 5u+ 2v=-18 3u+v=-7 (answered by ReadingBoosters)
solve the system of equations by graphing. then classify the system
5u+v=21... (answered by Earlsdon)
Need help. Use the elimination method to solve the system of equations. a+7b=16 a+4b=7... (answered by Alan3354)