2z/z+7=4/9

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Solution for 2z/z+7=4/9 equation: 



2z/z+7=4/9

We move all terms to the left:

2z/z+7-(4/9)=0



Domain of the equation: z!=0

z∈R



We add all the numbers together, and all the variables

2z/z+7-(+4/9)=0

We get rid of parentheses

2z/z+7-4/9=0

We calculate fractions


18z/9z+(-4z)/9z+7=0

We multiply all the terms by the denominator


18z+(-4z)+7*9z=0

Wy multiply elements

18z+(-4z)+63z=0

We get rid of parentheses

18z-4z+63z=0

We add all the numbers together, and all the variables

77z=0

z=0/77

z=0

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