7(x-3)+3x=-2(10x+3)

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Solution for 7(x-3)+3x=-2(10x+3) equation: 



7(x-3)+3x=-2(10x+3)

We move all terms to the left:

7(x-3)+3x-(-2(10x+3))=0

We add all the numbers together, and all the variables

3x+7(x-3)-(-2(10x+3))=0

We multiply parentheses

3x+7x-(-2(10x+3))-21=0



We calculate terms in parentheses: -(-2(10x+3)), so:

-2(10x+3)

We multiply parentheses

-20x-6

Back to the equation:

-(-20x-6)



We add all the numbers together, and all the variables

10x-(-20x-6)-21=0

We get rid of parentheses

10x+20x+6-21=0

We add all the numbers together, and all the variables

30x-15=0

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

30x=15

x=15/30

x=1/2

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