(-x)-4x-7=(-2x)+5

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Solution for (-x)-4x-7=(-2x)+5 equation: 



(-x)-4x-7=(-2x)+5

We move all terms to the left:

(-x)-4x-7-((-2x)+5)=0

We add all the numbers together, and all the variables

(-1x)-4x-((-2x)+5)-7=0

We add all the numbers together, and all the variables

-4x+(-1x)-((-2x)+5)-7=0

We get rid of parentheses

-4x-1x-((-2x)+5)-7=0



We calculate terms in parentheses: -((-2x)+5), so:

(-2x)+5

We get rid of parentheses

-2x+5

Back to the equation:

-(-2x+5)



We add all the numbers together, and all the variables

-5x-(-2x+5)-7=0

We get rid of parentheses

-5x+2x-5-7=0

We add all the numbers together, and all the variables

-3x-12=0

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

-3x=12

x=12/-3

x=-4

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