Question

solve 2x-3y=-1,5x+4y=9​

Answer 1

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

(

1

,

1

)

Equation Form:

x

=

1

,

y

=

1

Answer 2

Answer:

2x-3y=-1

5x+4y=9

x=-1+3y/2

5(-1+3y/2)+4y=9

-5+15y+8y/2=9

-5+23y=18

23y=23

y=1

2x-3y=-1

2x-3=-1

2x=2

x=1