0,4(3-x)-0,7(x+2)=3,1

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Solution for 0,4(3-x)-0,7(x+2)=3,1 equation:


0,4(3-x)-0,7(x+2)=3,1

We simplify the equation to the form, which is simple to understand 
0,4(3-x)-0,7(x+2)=3,1

Reorder the terms in parentheses
+(+1.2-0.4x)-0,7*(x+2)=3,1

Remove unnecessary parentheses
+1.2-0.4x-0,7+*(+x+2+)=+3,1

Reorder the terms in parentheses
+1.2-0.4x+(-0.7x-1.4)=3,1

Remove unnecessary parentheses
+1.2-0.4x-0.7x-1.4=+3,1

We move all terms containing x to the left and all other terms to the right. 
-0.4x-0.7x=+3.1-1.2+1.4

We simplify left and right side of the equation. 
-1.1x=+3.3

We divide both sides of the equation by -1.1 to get x. 
x=-3

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