21(2--2/9)+12(-2/9)=

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Solution for 21(2--2/9)+12(-2/9)= equation:


21(2--2/9)+12(-2/9)=0

We simplify the equation to the form, which is simple to understand 
21(2+2/9)+12(-2/9)=0

Simplifying:
21*(2 + 0.222222222222)+12*(-2/9)=0

Simplifying:
21*(2 + 0.222222222222)+12*(-0.222222222222)=0

Simplifying terms in parentheses
21*(+2.22222222222)+12*(-0.222222222222)=0

Reorder the terms in parentheses
+(+46.6666666667)+12*(-0.222222222222)=0

Remove unnecessary parentheses
+46.6666666667+12+*(-0.222222222222+)=0

Reorder the terms in parentheses
+46.6666666667+(-2.66666666667)=0

Remove unnecessary parentheses
+46.6666666667-2.66666666667=0

We move all terms containing  to the left and all other terms to the right. 
0=0-46.6666666667+2.66666666667

We simplify left and right side of the equation. 
0=-44

0=-44

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

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