(-15x-21)=(-5x+49)

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Solution for (-15x-21)=(-5x+49) equation: 



(-15x-21)=(-5x+49)

We move all terms to the left:

(-15x-21)-((-5x+49))=0

We get rid of parentheses

-15x-((-5x+49))-21=0



We calculate terms in parentheses: -((-5x+49)), so:

(-5x+49)

We get rid of parentheses

-5x+49

Back to the equation:

-(-5x+49)



We get rid of parentheses

-15x+5x-49-21=0

We add all the numbers together, and all the variables

-10x-70=0

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

-10x=70

x=70/-10

x=-7

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