What is x-y=4,((x-y))/((y+x))= 2/5 ?

The solution to x-y=4,((x-y))/((y+x))= 2/5 is

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x-y=4,((x-y))/((y+x))= 2/5

x - y = 4, \frac{( x - y )}{( y + x )} = \frac{2}{5}

(x = 7, y = 3)

Solution steps

[x - y = 4 \frac{( x - y )}{( y + x )} = \frac{2}{5}]

Isolate

x

for

x - y = 4 : x = 4 + y

Plug the solutions

x = 4 + y

into

\frac{( x - y )}{( y + x )} = \frac{2}{5}

For

\frac{( x - y )}{( y + x )} = \frac{2}{5}

, subsitute

x

with

4 + y : y = 3

Plug the solutions

y = 3

into

x - y = 4

For

x - y = 4

, subsitute

y

with

3 : x = 7

Verify solutions by plugging them into the original equations

Therefore, the final solution for

x - y = 4, \frac{( x - y )}{( y + x )} = \frac{2}{5}

(x = 7, y = 3)

x + y = 50, x - 6 y = - 20

x - 2 y - 3 z + 5 s - 2 t = 4, 2 z - 6 s + 3 t = 2, 5 t = 10

3 x + 4 y + 5 = 0, y = x + 4

5 b = 2, a = 1, c = 1

x - 3 y + z = 4, - x + 2 y - 5 z = 3, 5 x - 13 y + 13 z = 8

What is x-y=4,((x-y))/((y+x))= 2/5 ?
The solution to x-y=4,((x-y))/((y+x))= 2/5 is