10z+30=100

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Solution for 10z+30=100 equation: 



10z+30=100

We move all terms to the left:

10z+30-(100)=0

We add all the numbers together, and all the variables

10z-70=0

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

10z=70

z=70/10

z=7

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