4(2.5z+2.25)=-31

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Solution for 4(2.5z+2.25)=-31 equation: 



4(2.5z+2.25)=-31

We move all terms to the left:

4(2.5z+2.25)-(-31)=0

We add all the numbers together, and all the variables

4(2.5z+2.25)+31=0

We multiply parentheses

8z+9+31=0

We add all the numbers together, and all the variables

8z+40=0

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

8z=-40

z=-40/8

z=-5

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