15z-23-5z=81/9*3-30

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Solution for 15z-23-5z=81/9*3-30 equation: 



15z-23-5z=81/9*3-30

We move all terms to the left:

15z-23-5z-(81/9*3-30)=0

We add all the numbers together, and all the variables

10z-23-(81/9*3-30)=0

We get rid of parentheses

10z-23+30-81/9*3=0

We multiply all the terms by the denominator


10z*9*3-81-23*9*3+30*9*3=0

We add all the numbers together, and all the variables

10z*9*3+108=0

Wy multiply elements

270z*3+108=0

Wy multiply elements

810z+108=0

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

810z=-108

z=-108/810

z=-2/15

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