What is -2.5x+76y=40,*(-5)y=5 ?

The solution to -2.5x+76y=40,*(-5)y=5 is x=-232/5 ,y=-1

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-2.5x+76y=40,*(-5)y=5

- 2.5 x + 76 y = 40, \cdot (- 5) y = 5

x = - \frac{232}{5}, y = - 1

Solution steps

[- 2.5 x + 76 y = 40 (- 5) y = 5]

Isolate

y

for

\cdot (- 5) y = 5 : y = - 1

Substitute

y = - 1

[- 2.5 x + 76 (- 1) = 40]

Simplify

[- 2.5 x - 76 = 40]

Isolate

x

for

- 2.5 x - 76 = 40 : x = - \frac{232}{5}

The solutions to the system of equations are:

x = - \frac{232}{5}, y = - 1

2 x + y = 40, 2 x - 2 y = 10

x = 6 + \frac{y}{5}, y = \frac{- 36}{5}

3 x + 4 y = 5, - 2 x + 2 y = 3

2 a + 4 b = 12, 3 a + 2 b = 100

2 x + 3 y = 10, 2 x + y = 2

What is -2.5x+76y=40,*(-5)y=5 ?
The solution to -2.5x+76y=40,*(-5)y=5 is x=-232/5 ,y=-1