1-2z=-4z+9

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Solution for 1-2z=-4z+9 equation: 



1-2z=-4z+9

We move all terms to the left:

1-2z-(-4z+9)=0

We get rid of parentheses

-2z+4z-9+1=0

We add all the numbers together, and all the variables

2z-8=0

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

2z=8

z=8/2

z=4

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