2(5z+15)=90

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Solution for 2(5z+15)=90 equation: 



2(5z+15)=90

We move all terms to the left:

2(5z+15)-(90)=0

We multiply parentheses

10z+30-90=0

We add all the numbers together, and all the variables

10z-60=0

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

10z=60

z=60/10

z=6

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