-125=-4x+7(7x+40)

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Solution for -125=-4x+7(7x+40) equation: 



-125=-4x+7(7x+40)

We move all terms to the left:

-125-(-4x+7(7x+40))=0



We calculate terms in parentheses: -(-4x+7(7x+40)), so:

-4x+7(7x+40)

We multiply parentheses

-4x+49x+280

We add all the numbers together, and all the variables

45x+280

Back to the equation:

-(45x+280)



We get rid of parentheses

-45x-280-125=0

We add all the numbers together, and all the variables

-45x-405=0

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

-45x=405

x=405/-45

x=-9

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