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Express x in terms of y where 1*x-1*y=9

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Numerical solution:

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The solution

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x - y = 9
$$x - y = 9$$
Detail solution
Given the linear equation:
1*x-1*y = 9

Looking for similar summands in the left part:
x - y = 9

Move the summands with the other variables
from left part to right part, we given:
$$x = y + 9$$
We get the answer: x = 9 + y
Rapid solution [src]
x1 = 9 + I*im(y) + re(y)
$$x_{1} = \operatorname{re}{\left(y\right)} + i \operatorname{im}{\left(y\right)} + 9$$
x1 = re(y) + i*im(y) + 9