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Popular >

-4x-4y=24,4x-5y=39

Solution

- 4 x - 4 y = 24, 4 x - 5 y = 39

Solution

x = 1, y = - 7

Solution steps

[- 4 x - 4 y = 24 4 x - 5 y = 39]

Isolate

x

for

- 4 x - 4 y = 24 : x = - 6 - y

Substitute

x = - 6 - y

[4 (- 6 - y) - 5 y = 39]

Simplify

[- 24 - 9 y = 39]

Isolate

y

for

- 24 - 9 y = 39 : y = - 7

For

x = - 6 - y

Substitute

y = - 7

x = - 6 - (- 7)

Simplify

x = 1

The solutions to the system of equations are:

x = 1, y = - 7

Popular Examples

-2x+5y=2,8-4x+6y=-48

- 2 x + 5 y = 2, 8 - 4 x + 6 y = - 48

x + y = 4, 2 x - 5 y = 1

3x+7y=5,2x-9y=7

3 x + 7 y = 5, 2 x - 9 y = 7

3x+2y=51,2x+8y=18

3 x + 2 y = 51, 2 x + 8 y = 18

a+b=7,2b+c=90,c+a=82

a + b = 7, 2 b + c = 90, c + a = 82

Frequently Asked Questions (FAQ)

What is -4x-4y=24,4x-5y=39 ?
The solution to -4x-4y=24,4x-5y=39 is x=1,y=-7