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50+12+3\times 4=50+12+12
Multiply both sides of the equation by 30, the least common multiple of 3,5,10,30.
62+3\times 4=50+12+12
Add 50 and 12 to get 62.
62+12=50+12+12
Multiply 3 and 4 to get 12.
74=50+12+12
Add 62 and 12 to get 74.
74=62+12
Add 50 and 12 to get 62.
74=74
Add 62 and 12 to get 74.
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Compare 74 and 74.
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