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-20x/3 + 15x/7 =5 what is x the variable
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-20x/3 + 15x/7 =5 what is x the variable

User Pumbo
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(7)-15/7 to cancel the denominator

Do the same with the other fraction

You should have
-20x+15x=107

X=21.4

User Ryan Gibbs
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