0.4x+2.5=0.9

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Solution for 0.4x+2.5=0.9 equation: 



0.4x+2.5=0.9

We move all terms to the left:

0.4x+2.5-(0.9)=0

We add all the numbers together, and all the variables

0.4x+1.6=0

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

0.4x=-1.6

x=-1.6/0.4

x=-4

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