5x/7-4=21

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Solution for 5x/7-4=21 equation: 



5x/7-4=21

We move all terms to the left:

5x/7-4-(21)=0

We add all the numbers together, and all the variables

5x/7-25=0

We multiply all the terms by the denominator


5x-25*7=0

We add all the numbers together, and all the variables

5x-175=0

We move all terms containing x to the left, all other terms to the right

5x=175

x=175/5

x=35

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