0.4-0.8(4-x)=3.4

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Solution for 0.4-0.8(4-x)=3.4 equation:


0.4-0.8(4-x)=3.4

We simplify the equation to the form, which is simple to understand 
0.4-0.8(4-x)=3.4

Reorder the terms in parentheses
0.4+(-3.2 + 0.8x)=3.4

Remove unnecessary parentheses
 + 0.4-3.2 + 0.8x=+3.4

We move all terms containing x to the left and all other terms to the right. 
 + 0.8x=+3.4-0.4+3.2

We simplify left and right side of the equation. 
 + 0.8x=+6.2

We divide both sides of the equation by 0.8 to get x. 
x=7.75

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