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3x over 10 = 1,290 please help
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4 votes
3x over 10 = 1,290
please help

User Andreas Prang
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1 Answer

5 votes

3x/10= 1290

Mutiply by 10 for both sides

3x/10*10= 1290*10

Cross out 10 and 10 , divide by 10 and then becomes 3x

3x=12900

divide by 3 for both sides

3x/3= 12900/3

Cross out 3 and 3 , divide by 3 and then becomes x

x= 4300

Answer: x= 4300

User Twister
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