(-7x)7=(-3x)20

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Solution for (-7x)7=(-3x)20 equation: 



(-7x)7=(-3x)20

We move all terms to the left:

(-7x)7-((-3x)20)=0

We multiply parentheses

-49x-((-3x)20)=0



We calculate terms in parentheses: -((-3x)20), so:

(-3x)20

We multiply parentheses

-60x

Back to the equation:

-(-60x)



We get rid of parentheses

-49x+60x=0

We add all the numbers together, and all the variables

11x=0

x=0/11

x=0

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