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let weight of brick = x

so x = 1 lb + x / 2 lb

multiply both sides by 2

so 2x = 2 lb + x lb

subtract x from each side

x = 2 lb

so 1 brick weighs 2 lb

so 2 bricks weigh 4 lb

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14y ago
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14y ago

Let x = the weight of one brick (pounds) x = 1 + 0.5x

x - 0.5x = 1 + 0.5x - 0.5x

x = 1

2x = 2

Two bricks weigh 2 pounds.

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15y ago

Half of a pound.

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Q: The weight of one brick equals one pound plus the weight of half the brick How many pounds do two bricks weigh?
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