Mister Exam

# Express x in terms of y where 5*x-5*y=20

A equation with variable:

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5*x - 5*y = 20
$$5 x - 5 y = 20$$
Detail solution
Given the linear equation:
5*x-5*y = 20

Looking for similar summands in the left part:
-5*y + 5*x = 20

Move the summands with the other variables
from left part to right part, we given:
$$5 x = 5 y + 20$$
Divide both parts of the equation by 5
x = 20 + 5*y / (5)

We get the answer: x = 4 + y
Rapid solution [src]
x1 = 4 + I*im(y) + re(y)
$$x_{1} = \operatorname{re}{\left(y\right)} + i \operatorname{im}{\left(y\right)} + 4$$
x1 = re(y) + i*im(y) + 4
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