-7x-3(x+10)=-4(1x+9x)

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Solution for -7x-3(x+10)=-4(1x+9x) equation: 



-7x-3(x+10)=-4(1x+9x)

We move all terms to the left:

-7x-3(x+10)-(-4(1x+9x))=0

We add all the numbers together, and all the variables

-7x-3(x+10)-(-4(+10x))=0

We multiply parentheses

-7x-3x-(-4(+10x))-30=0



We calculate terms in parentheses: -(-4(+10x)), so:

-4(+10x)

We multiply parentheses

-40x

Back to the equation:

-(-40x)



We add all the numbers together, and all the variables

-10x-(-40x)-30=0

We get rid of parentheses

-10x+40x-30=0

We add all the numbers together, and all the variables

30x-30=0

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

30x=30

x=30/30

x=1

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