3x/5+2x/5=21/3

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Solution for 3x/5+2x/5=21/3 equation: 



3x/5+2x/5=21/3

We move all terms to the left:

3x/5+2x/5-(21/3)=0

We add all the numbers together, and all the variables

3x/5+2x/5-7=0

We multiply all the terms by the denominator


3x+2x-7*5=0

We add all the numbers together, and all the variables

5x-35=0

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

5x=35

x=35/5

x=7

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