45=z+5+12+7+5+12+z

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Solution for 45=z+5+12+7+5+12+z equation: 



45=z+5+12+7+5+12+z

We move all terms to the left:

45-(z+5+12+7+5+12+z)=0

We add all the numbers together, and all the variables

-(2z+41)+45=0

We get rid of parentheses

-2z-41+45=0

We add all the numbers together, and all the variables

-2z+4=0

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

-2z=-4

z=-4/-2

z=+2

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