3x-30-2x=-2(10+2x)

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Solution for 3x-30-2x=-2(10+2x) equation: 



3x-30-2x=-2(10+2x)

We move all terms to the left:

3x-30-2x-(-2(10+2x))=0

We add all the numbers together, and all the variables

3x-2x-(-2(2x+10))-30=0

We add all the numbers together, and all the variables

x-(-2(2x+10))-30=0



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

-2(2x+10)

We multiply parentheses

-4x-20

Back to the equation:

-(-4x-20)



We get rid of parentheses

x+4x+20-30=0

We add all the numbers together, and all the variables

5x-10=0

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

5x=10

x=10/5

x=2

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