What is -4y=-11,5x+6y=7 ?

The solution to -4y=-11,5x+6y=7 is x=-19/10 ,y= 11/4

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-4y=-11,5x+6y=7

- 4 y = - 11, 5 x + 6 y = 7

x = - \frac{19}{10}, y = \frac{11}{4}

Solution steps

[- 4 y = - 11 5 x + 6 y = 7]

Isolate

y

for

- 4 y = - 11 : y = \frac{11}{4}

Substitute

y = \frac{11}{4}

[5 x + 6 \cdot \frac{11}{4} = 7]

Simplify

[5 x + \frac{33}{2} = 7]

Isolate

x

for

5 x + \frac{33}{2} = 7 : x = - \frac{19}{10}

The solutions to the system of equations are:

x = - \frac{19}{10}, y = \frac{11}{4}

15 x - 17 y = 21, 17 x - 15 y = 11

y = 2, x = 4

x + y = 5, 3 x - 2 y = 0

(5) 3 x - 4 y = - 7, 5 x - 2 y = 0

8 x - 15 y = - 30, 2 x + 3 y = 15