The problem
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There does the other -5 come from
Answer provided by our tutors
In order to solve this linear equation, we need to group all the variable terms on one side, and all the constant terms on the other side of the equation.
In our example,
- term 5, will be moved to the right side.
Notice that a term changes sign when it 'moves' from one side of the equation to the other.
You can obtain an explanation for any step by clicking on it. Please note that you cannot click on the very first expression, which is the original problem.