-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

-0.8h+4

Back to the equation:

-(-0.8h+4)



We get rid of parentheses

0.8h-4-12=0

We add all the numbers together, and all the variables

0.8h-16=0

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

0.8h=16

h=16/0.8

h=20

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