x-(x*0.1)=1290

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Solution for x-(x*0.1)=1290 equation: 



x-(x*0.1)=1290

We move all terms to the left:

x-(x*0.1)-(1290)=0

We add all the numbers together, and all the variables

x-(+x*0.1)-1290=0

We get rid of parentheses

x-x*0.1-1290=0

Wy multiply elements

x-0.1x-1290=0

We add all the numbers together, and all the variables

0.9x-1290=0

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

0.9x=1290

x=1290/0.9

x=1433+0.29999999999995/0.9

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