Serena simplify the expression 3 (2x - 6 - x + 1 )^2 - 2 + 4x in step 1 she simplified within the parentheses in step 2 she expa
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The equation to represent the relationship of the weights shown on the scale s
The weights are given as:
The total weight on one side, where there are 4 small squares and 3 large squares is:
The total weight on the other side, where there are 2 small squares, 2 large squares and 1 triangle is:
The weight of the triangle is x.
So, we have:
The weights on both sides are equal, because the scale is balanced.
So, we have:
Hence, the equation is
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