How do you solve #-1/(-h-4)=2/(h-4)#?

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Answer 1 · 2017-01-18T13:45:37

#h in {-12}#

The opposite sign goes to the denominator.

#1/(h + 4) = 2/(h - 4)#

The product on the middle is equal to the product on the extremes.

#2(h + 4) = 1(h - 4)#

Let's distribute.

#2h + 8 = h - 4#

#2h - h = -4 - 8#

#h = -12#

Verify.

#1/(-12 + 4) = 2/(-12-4)#