z+9/4=12.8

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Solution for z+9/4=12.8 equation: 



z+9/4=12.8

We move all terms to the left:

z+9/4-(12.8)=0

We add all the numbers together, and all the variables

z-12.8+9/4=0

We multiply all the terms by the denominator


z*4+9-(12.8)*4=0

We add all the numbers together, and all the variables

z*4-42.2=0

Wy multiply elements

4z-42.2=0

We move all terms containing z to the left, all other terms to the right

4z=42.2

z=42.2/4

z=10+1/1.8181818181818

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