SOLUTION: How do I solve this system of equations: 4x+3y=10
5x-y=3
by using matrices and backsolving?
Algebra.Com
Question 120165: How do I solve this system of equations: 4x+3y=10
5x-y=3
by using matrices and backsolving?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
easiest way is elimination __ multiply second equation by 3 and add to first
4x+3y=10
15x-3y=9
________ __ this ELIMINATES the y
19x=19
so x=1
4(1)+3y=10 __ 3y=6 __ y=2
RELATED QUESTIONS
How do you solve this system of equations where 4x+3y=-2
(answered by jim_thompson5910,kjwade3)
how do I solve this system of equations by substitution
5x+6y=32... (answered by Edwin McCravy)
how do you solve the system of equations using substitution?
3y=-7x+10... (answered by MathLover1,Alan3354,ikleyn)
How do I solve this system of equations using substitution? {{{y=x^2-4x-1}}}... (answered by MathLover1)
how would i solve thge system of equations using substition method?
3=5x-3y+10 &
y=2x+4 (answered by solver91311,Alan3354)
How do I solve this system of equations using the determinant of a matrices. Not the... (answered by Alan3354)
Solve the system of equations using matrices and row of operations.
x-y+z=-4... (answered by Edwin McCravy,richwmiller)
My question is in reference to one involving "Solving systems of linear equations by the... (answered by Earlsdon)
Solve the system of equations by using substitution:
{ y=4-x }... (answered by solver91311)