-9=-(7-4x)

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Solution for -9=-(7-4x) equation:


-9=-(7-4x)

We simplify the equation to the form, which is simple to understand 
-9=-(7-4x)

Remove unnecessary parentheses
-9=-7+4x

We move all terms containing x to the left and all other terms to the right. 
-4x=-7+9

We simplify left and right side of the equation. 
-4x=+2

We divide both sides of the equation by -04 to get x. 
x=-0.5

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