SOLUTION: solve the following system of equations.if the system cannot be solved,state that it cannot be solved and explain why 3x-2y=4 2x-5y=21

SOLUTION: solve the following system of equations.if the system cannot be solved,state that it cannot be solved and explain why 3x-2y=4 2x-5y=21

Algebra.Com

Question 319530: solve the following system of equations.if the system cannot be solved,state that it cannot be solved and explain why 3x-2y=4 2x-5y=21
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
3x-2y=4
2x-5y=21
-----------
6x - 4y = 8
6x -15y = 63
----------------------
Subtract 2nd from 1st to get:
11y = - 55
y = -5
------------------
Substitute into one of the equations and solve for "x":
=================
Cheers,
stan H.

RELATED QUESTIONS
Solve the following system of equations. If the system cannot be solved, state that it... (answered by Alan3354)

Solve the following system of equations. If the system cannot be solved, state that it... (answered by checkley77)

Solve the following system of equations. If the system cannot be solved, state that it... (answered by ReadingBoosters)

I am beyond confused on how to solve system of equations.. The book example is not clear... (answered by josgarithmetic)

------------ Solve for the system of equation. If it cannot be solved, explain why. (answered by lwsshak3)

Solve for the system of equation. If it cannot be solved, explain why. 4x+5y = -5 (answered by lwsshak3)

Solve for the following systems of equations. If they cannot be solved, explain why. (answered by Lukas007)

a) Is y = x^2 + 7x + 12 a quadratic equation*? Why or why not? b) Can it be solved by... (answered by Alan3354)

a) Is y = x^2 + 7x + 12 a quadratic equation*? Why or why not? b) Can it be solved by... (answered by solver91311)