x+(90-x)+74=x-(90-x)

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Solution for x+(90-x)+74=x-(90-x) equation: 



x+(90-x)+74=x-(90-x)

We move all terms to the left:

x+(90-x)+74-(x-(90-x))=0

We add all the numbers together, and all the variables

x+(-1x+90)-(x-(-1x+90))+74=0

We get rid of parentheses

x-1x-(x-(-1x+90))+90+74=0



We calculate terms in parentheses: -(x-(-1x+90)), so:

x-(-1x+90)

We get rid of parentheses

x+1x-90

We add all the numbers together, and all the variables

2x-90

Back to the equation:

-(2x-90)



We add all the numbers together, and all the variables

-(2x-90)+164=0

We get rid of parentheses

-2x+90+164=0

We add all the numbers together, and all the variables

-2x+254=0

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

-2x=-254

x=-254/-2

x=+127

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