0.4x-0.4(4-x)=1.2

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Solution for 0.4x-0.4(4-x)=1.2 equation:


0.4x-0.4(4-x)=1.2

We simplify the equation to the form, which is simple to understand 
0.4x-0.4(4-x)=1.2

Reorder the terms in parentheses
0.4x+(-1.6 + 0.4x)=1.2

Remove unnecessary parentheses
 + 0.4x-1.6 + 0.4x=+1.2

We move all terms containing x to the left and all other terms to the right. 
 + 0.4x + 0.4x=+1.2+1.6

We simplify left and right side of the equation. 
 + 0.8x=+2.8

We divide both sides of the equation by 0.8 to get x. 
x=3.5

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