3=1+2z

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Solution for 3=1+2z equation: 



3=1+2z

We move all terms to the left:

3-(1+2z)=0

We add all the numbers together, and all the variables

-(2z+1)+3=0

We get rid of parentheses

-2z-1+3=0

We add all the numbers together, and all the variables

-2z+2=0

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

-2z=-2

z=-2/-2

z=1

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