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Twenty less than 8 times a number is the same as 15 more than the number in equation form
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Twenty less than 8 times a number is the same as 15 more than the number in equation form

User Martijn Ten Hoor
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8x-20=15+x

7x=35 subtract x from left side and add 20 to right side
x=5 divide
User Daniel Batalla
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