What is -5x+4y=-3,8x+3y=-3 ?

The solution to -5x+4y=-3,8x+3y=-3 is x=-3/47 ,y=-39/47

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-5x+4y=-3,8x+3y=-3

- 5 x + 4 y = - 3, 8 x + 3 y = - 3

x = - \frac{3}{47}, y = - \frac{39}{47}

Solution steps

[- 5 x + 4 y = - 3 8 x + 3 y = - 3]

Isolate

x

for

- 5 x + 4 y = - 3 : x = - \frac{- 3 - 4 y}{5}

Substitute

x = - \frac{- 3 - 4 y}{5}

[8 (- \frac{- 3 - 4 y}{5}) + 3 y = - 3]

Simplify

[\frac{24 + 47 y}{5} = - 3]

Isolate

y

for

\frac{24 + 47 y}{5} = - 3 : y = - \frac{39}{47}

For

x = - \frac{- 3 - 4 y}{5}

Substitute

y = - \frac{39}{47}

x = - \frac{- 3 - 4 ( - \frac{39}{47} )}{5}

- \frac{- 3 - 4 ( - \frac{39}{47} )}{5} = - \frac{3}{47}

x = - \frac{3}{47}

The solutions to the system of equations are:

x = - \frac{3}{47}, y = - \frac{39}{47}

15 x + 10 y = 10, 8 x - 10 y = 20

- y + z = 1, x + 3 y + 2 z = 0, - x - 2 y - z = 0

63 x - 5 y = 4, 2 y + 7 = 9 x

4 a + 3 b = 14, 3 a - 4 b = 23

5 x + 2 y = 850, x + 3 y = 300

What is -5x+4y=-3,8x+3y=-3 ?
The solution to -5x+4y=-3,8x+3y=-3 is x=-3/47 ,y=-39/47