6z+7z=78

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Solution for 6z+7z=78 equation:



6z+7z=78
We move all terms to the left:
6z+7z-(78)=0
We add all the numbers together, and all the variables
13z-78=0
We move all terms containing z to the left, all other terms to the right
13z=78
z=78/13
z=6

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