0.9x+3-(2.1)=0

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Solution for 0.9x+3-(2.1)=0 equation: 



0.9x+3-(2.1)=0

We add all the numbers together, and all the variables

0.9x+0.9=0

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

0.9x=-0.9

x=-0.9/0.9

x=-1

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