7(-3z+31)=49

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Solution for 7(-3z+31)=49 equation: 



7(-3z+31)=49

We move all terms to the left:

7(-3z+31)-(49)=0

We multiply parentheses

-21z+217-49=0

We add all the numbers together, and all the variables

-21z+168=0

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

-21z=-168

z=-168/-21

z=+8

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