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3\left(400-46\right)+72=8400
Multiply both sides of the equation by 2.
3\times 354+72=8400
Subtract 46 from 400 to get 354.
1062+72=8400
Multiply 3 and 354 to get 1062.
1134=8400
Add 1062 and 72 to get 1134.
\text{false}
Compare 1134 and 8400.
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