7-7=(4-z)

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Solution for 7-7=(4-z) equation: 



7-7=(4-z)

We move all terms to the left:

7-7-((4-z))=0

We add all the numbers together, and all the variables

-((-1z+4))+7-7=0

We add all the numbers together, and all the variables

-((-1z+4))=0



We calculate terms in parentheses: -((-1z+4)), so:

(-1z+4)

We get rid of parentheses

-1z+4

Back to the equation:

-(-1z+4)



We get rid of parentheses

1z-4=0

We add all the numbers together, and all the variables

z-4=0

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

z=4

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