12=-2h+0.2(20-6h)

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Solution for 12=-2h+0.2(20-6h) equation: 



12=-2h+0.2(20-6h)

We move all terms to the left:

12-(-2h+0.2(20-6h))=0

We add all the numbers together, and all the variables

-(-2h+0.2(-6h+20))+12=0



We calculate terms in parentheses: -(-2h+0.2(-6h+20)), so:

-2h+0.2(-6h+20)

We multiply parentheses

-2h-1.2h+4

We add all the numbers together, and all the variables

-3.2h+4

Back to the equation:

-(-3.2h+4)



We get rid of parentheses

3.2h-4+12=0

We add all the numbers together, and all the variables

3.2h+8=0

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

3.2h=-8

h=-8/3.2

h=-2+1/2

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