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12\times 3-27-\left(4\times 3-12\right)=9-\left(3-3\right)
Multiply both sides of the equation by 3.
36-27-\left(4\times 3-12\right)=9-\left(3-3\right)
Multiply 12 and 3 to get 36.
9-\left(4\times 3-12\right)=9-\left(3-3\right)
Subtract 27 from 36 to get 9.
9-\left(12-12\right)=9-\left(3-3\right)
Multiply 4 and 3 to get 12.
9+0=9-\left(3-3\right)
Subtract 12 from 12 to get 0.
9=9-\left(3-3\right)
Add 9 and 0 to get 9.
9=9+0
Subtract 3 from 3 to get 0.
9=9
Add 9 and 0 to get 9.
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Compare 9 and 9.
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