What is x+4y=-4,3y-5x=-1 ?

The solution to x+4y=-4,3y-5x=-1 is x=-8/23 ,y=-21/23

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x+4y=-4,3y-5x=-1

x + 4 y = - 4, 3 y - 5 x = - 1

x = - \frac{8}{23}, y = - \frac{21}{23}

Solution steps

[x + 4 y = - 4 3 y - 5 x = - 1]

Isolate

x

for

x + 4 y = - 4 : x = - 4 - 4 y

Substitute

x = - 4 - 4 y

[3 y - 5 (- 4 - 4 y) = - 1]

Simplify

[23 y + 20 = - 1]

Isolate

y

for

23 y + 20 = - 1 : y = - \frac{21}{23}

For

x = - 4 - 4 y

Substitute

y = - \frac{21}{23}

x = - 4 - 4 (- \frac{21}{23})

- 4 - 4 (- \frac{21}{23}) = - \frac{8}{23}

x = - \frac{8}{23}

The solutions to the system of equations are:

x = - \frac{8}{23}, y = - \frac{21}{23}

7 x - 6 y = 12, 5 x + 3 y = 11

x + y = 4, 5 x - y = 21

x + 2 y = 1, - x - y = 2

2 x - y = 3, 2 y - 5 x = 13

x - 4 y = 3, 5 x + 5 y = 65

What is x+4y=-4,3y-5x=-1 ?
The solution to x+4y=-4,3y-5x=-1 is x=-8/23 ,y=-21/23