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6\times 18+11=9\times 18+11
Multiply both sides of the equation by 18.
108+11=9\times 18+11
Multiply 6 and 18 to get 108.
119=9\times 18+11
Add 108 and 11 to get 119.
119=162+11
Multiply 9 and 18 to get 162.
119=173
Add 162 and 11 to get 173.
\text{false}
Compare 119 and 173.
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