4z+9z=-25

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Solution for 4z+9z=-25 equation: 



4z+9z=-25

We move all terms to the left:

4z+9z-(-25)=0

We add all the numbers together, and all the variables

13z+25=0

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

13z=-25

z=-25/13

z=-1+12/13

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