SOLUTION: solve the system: 4x+5y = -24 x-5y = 19

Algebra.Com
Question 56588: solve the system:
4x+5y = -24
x-5y = 19

Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!
4X+5Y=-24
X-5Y=19 NOW ADD THESE TWO EQUATIONS
---------------------
5X=-5
X=-5/5
X=-1
4*-1+5Y=-24
-4+5Y=-24
5Y=-24+4
5Y=-20
Y=-20/5
Y=-4
PROOF
-1-5*-4=19
-1+20=19
19=19

RELATED QUESTIONS

Solve the system by elimination. -x-5y-5z=2 4x-5y+4z=19... (answered by Fombitz)
Solve the system by substitution. x – 4y = –19 –4x – 5y = 13 (answered by jim_thompson5910)
Solve the system by substitution x-4y=-19... (answered by MathLover1)
Solve the system by addition. 4x – 5y = –19 x + 3y = 8 (answered by jim_thompson5910)
Use substitution to solve the system 4x-5y=19... (answered by Alan3354)
solve the system: x+6y=24... (answered by Lacey020991)
Solve the system: x+6y=24 -6x+5y=-21 (answered by checkley77)
solve the system of equations 4x-5y=-14... (answered by flame8855,lynnlo)
Please help me solve each system by graphing. 22. 3x -5y = -9 5x -6y = -8... (answered by Alan3354)