15(z-2)=4(z+z)

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Solution for 15(z-2)=4(z+z) equation: 



15(z-2)=4(z+z)

We move all terms to the left:

15(z-2)-(4(z+z))=0

We add all the numbers together, and all the variables

15(z-2)-(4(+2z))=0

We multiply parentheses

15z-(4(+2z))-30=0



We calculate terms in parentheses: -(4(+2z)), so:

4(+2z)

We multiply parentheses

8z

Back to the equation:

-(8z)



We add all the numbers together, and all the variables

7z-30=0

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

7z=30

z=30/7

z=4+2/7

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