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Replace 1 brick with the pronumeral b.

Therefore: 2b = 1/2b + 2

This could be rewritten as: 4b = 1b + 4

Simplify this to: 3b = 4

If 3 bricks = 4kg, then to get b alone, we need to divide both sides by three:

3b 4 1

----- = ----- This means b = 1 ----- kg

3 3 3

Hope this helps :)

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15y ago

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