15(x-2)-21=-3(x+1)+6

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Solution for 15(x-2)-21=-3(x+1)+6 equation: 



15(x-2)-21=-3(x+1)+6

We move all terms to the left:

15(x-2)-21-(-3(x+1)+6)=0

We multiply parentheses

15x-(-3(x+1)+6)-30-21=0



We calculate terms in parentheses: -(-3(x+1)+6), so:

-3(x+1)+6

We multiply parentheses

-3x-3+6

We add all the numbers together, and all the variables

-3x+3

Back to the equation:

-(-3x+3)



We add all the numbers together, and all the variables

15x-(-3x+3)-51=0

We get rid of parentheses

15x+3x-3-51=0

We add all the numbers together, and all the variables

18x-54=0

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

18x=54

x=54/18

x=3

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