21*(5m-3)=63*9

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Solution for 21*(5m-3)=63*9 equation: 



21*(5m-3)=63*9

We move all terms to the left:

21*(5m-3)-(63*9)=0

We add all the numbers together, and all the variables

21*(5m-3)-567=0

We multiply parentheses

105m-63-567=0

We add all the numbers together, and all the variables

105m-630=0

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

105m=630

m=630/105

m=6

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