21(z+19)=546

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Solution for 21(z+19)=546 equation: 



21(z+19)=546

We move all terms to the left:

21(z+19)-(546)=0

We multiply parentheses

21z+399-546=0

We add all the numbers together, and all the variables

21z-147=0

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

21z=147

z=147/21

z=7

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