Solve for y
y=504
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10\times 2y-80=10000
Multiply both sides of the equation by 100, the least common multiple of 10,100.
20y-80=10000
Multiply 10 and 2 to get 20.
20y=10000+80
Add 80 to both sides.
20y=10080
Add 10000 and 80 to get 10080.
y=\frac{10080}{20}
Divide both sides by 20.
y=504
Divide 10080 by 20 to get 504.
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