What is 4x+2y=-8,-x-0.5y=2 ?

The solution to 4x+2y=-8,-x-0.5y=2 is x=-(y+4)/2 ,y=y

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4x+2y=-8,-x-0.5y=2

4 x + 2 y = - 8, - x - 0.5 y = 2

x = - \frac{y + 4}{2}, y = y

Solution steps

[4 x + 2 y = - 8 - x - 0.5 y = 2]

Isolate

x

for

4 x + 2 y = - 8 : x = - \frac{y + 4}{2}

Substitute

x = - \frac{y + 4}{2}

[- (- \frac{y + 4}{2}) - 0.5 y = 2]

Simplify

[\frac{y + 4}{2} - 0.5 y = 2]

\frac{y + 4}{2} - 0.5 y = 2 :

True for all

y

For

x = - \frac{y + 4}{2}

Expressing

x

in terms of

y

x = - \frac{y + 4}{2}

The solutions to the system of equations are:

x = - \frac{y + 4}{2}, y = y

2 x + 3 y = 1, 6 x - y = 3

11 x - 9 y = 21, 3 x - 15 y = - 2

3 x + 2 y = 19, 4 x - y = 29

x + y = - 2, 2 x - y = 26

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

What is 4x+2y=-8,-x-0.5y=2 ?
The solution to 4x+2y=-8,-x-0.5y=2 is x=-(y+4)/2 ,y=y