3(x-3)=-21(x-10)-3

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Solution for 3(x-3)=-21(x-10)-3 equation: 



3(x-3)=-21(x-10)-3

We move all terms to the left:

3(x-3)-(-21(x-10)-3)=0

We multiply parentheses

3x-(-21(x-10)-3)-9=0



We calculate terms in parentheses: -(-21(x-10)-3), so:

-21(x-10)-3

We multiply parentheses

-21x+210-3

We add all the numbers together, and all the variables

-21x+207

Back to the equation:

-(-21x+207)



We get rid of parentheses

3x+21x-207-9=0

We add all the numbers together, and all the variables

24x-216=0

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

24x=216

x=216/24

x=9

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