Topic Content:
- Dividing
In some situations, you have to divide both sides of the equation by the same number. When is that? It’s in the situation where there are only x’s (blocks) on one side and there is more than one circle on the other side.
Example:
Let \( \scriptsize \boxed {?} = x \\ \scriptsize \; and \; \LARGE \circ \scriptsize (circle) = 1\\ \scriptsize \therefore x \: + \: x = 8 \\ \scriptsize \rightarrow 2x = 8 \)
Note: Because there are 8 circles and 2 boxes
If you take away half of the things on the left side and similarly half of the things on the right side, the balance will stay balanced.
Therefore we have:
Therefore x = 4
Note: Because there are 4 circles and 1 box
Solving the equation without a scale model;
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