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\left(1\times 5+3\right)\left(1\times 8+1\right)=10\left(1\times 4+1\right)
Multiply both sides of the equation by 40, the least common multiple of 5,8,4.
\left(5+3\right)\left(1\times 8+1\right)=10\left(1\times 4+1\right)
Multiply 1 and 5 to get 5.
8\left(1\times 8+1\right)=10\left(1\times 4+1\right)
Add 5 and 3 to get 8.
8\left(8+1\right)=10\left(1\times 4+1\right)
Multiply 1 and 8 to get 8.
8\times 9=10\left(1\times 4+1\right)
Add 8 and 1 to get 9.
72=10\left(1\times 4+1\right)
Multiply 8 and 9 to get 72.
72=10\left(4+1\right)
Multiply 1 and 4 to get 4.
72=10\times 5
Add 4 and 1 to get 5.
72=50
Multiply 10 and 5 to get 50.
\text{false}
Compare 72 and 50.
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