3+4(z+)=31

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Solution for 3+4(z+)=31 equation: 



3+4(z+)=31

We move all terms to the left:

3+4(z+)-(31)=0

We add all the numbers together, and all the variables

4(+z)+3-31=0

We add all the numbers together, and all the variables

4(+z)-28=0

We multiply parentheses

4z-28=0

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

4z=28

z=28/4

z=7

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