0.8x-3.9=0.9

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Solution for 0.8x-3.9=0.9 equation:


0.8x-3.9=0.9

We simplify the equation to the form, which is simple to understand 
0.8x-3.9=0.9

We move all terms containing x to the left and all other terms to the right. 
 + 0.8x=0.9+3.9

We simplify left and right side of the equation. 
 + 0.8x=+4.8

We divide both sides of the equation by 0.8 to get x. 
x=6

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