The equation contains variables on both sides equals 18 can be written as (2x - 18) = x.
A linear equation would be a type of equation with each variable's degree is completely identical to one.
Now, for the given question, the equation which could be represented in the form of variable on both side and has the solution equals to zero is;
(2x - 18) = x
The solution can be obtained as;
2x - 18 = x
Bring variable part on one side and constant on other.
2x - x = 18
x = 18.
Therefore, the equation with variables on both side the equals 18 is obtained as (2x - 18) = x.
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