10(h-1)+12=42

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Solution for 10(h-1)+12=42 equation: 



10(h-1)+12=42

We move all terms to the left:

10(h-1)+12-(42)=0

We add all the numbers together, and all the variables

10(h-1)-30=0

We multiply parentheses

10h-10-30=0

We add all the numbers together, and all the variables

10h-40=0

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

10h=40

h=40/10

h=4

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