.40x-9=-7

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Solution for .40x-9=-7 equation:


.40x-9=-7

We simplify the equation to the form, which is simple to understand 
.40x-9=-7

We move all terms containing x to the left and all other terms to the right. 
 + 0.4x=-7+9

We simplify left and right side of the equation. 
 + 0.4x=+2

We divide both sides of the equation by 0.4 to get x. 
x=5

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