x+(x-2)=90

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Solution for x+(x-2)=90 equation: 



x+(x-2)=90

We move all terms to the left:

x+(x-2)-(90)=0

We get rid of parentheses

x+x-2-90=0

We add all the numbers together, and all the variables

2x-92=0

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

2x=92

x=92/2

x=46

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