4z+9=2z+1

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



4z+9=2z+1

We move all terms to the left:

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

We get rid of parentheses

4z-2z-1+9=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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