0.4x-0.9x-9=1

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Solution for 0.4x-0.9x-9=1 equation:


0.4x-0.9x-9=1

We simplify the equation to the form, which is simple to understand 
0.4x-0.9x-9=1

We move all terms containing x to the left and all other terms to the right. 
 + 0.4x-0.9x=+1+9

We simplify left and right side of the equation. 
-0.5x=+10

We divide both sides of the equation by -0.5 to get x. 
x=-20

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