-4/9+7/9=

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Solution for -4/9+7/9= equation:


-4/9+7/9=0

We simplify the equation to the form, which is simple to understand 
-4/9+7/9=0

Simplifying:
-0.444444444444+7/9=0

Simplifying:
-0.444444444444 + 0.777777777778=0

We move all terms containing  to the left and all other terms to the right. 
0=0 + 0.444444444444-0.777777777778

We simplify left and right side of the equation. 
0=-0.333333333334

0=-0.333333333334

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

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