4-2.1(3.5-1.9)=

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Solution for 4-2.1(3.5-1.9)= equation:


4-2.1(3.5-1.9)=0

We simplify the equation to the form, which is simple to understand 
4-2.1(3.5-1.9)=0

Simplifying terms in parentheses
4-2.1*(+1.6)=0

Reorder the terms in parentheses
4+(-3.36)=0

Remove unnecessary parentheses
+4-3.36=0

We move all terms containing  to the left and all other terms to the right. 
0=0-4+3.36

We simplify left and right side of the equation. 
0=-0.64

0=-0.64

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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