How do you solve 1/3h-4(2/3h-3)=2/3h-6? show how you found the answer.

First, in the parentheses, combine the numerator (2) and 'h' and also beside it.

Second, since 'h' is basically '1', replace the '1' with 'h' to remove it.

Third, multiply both sides by '3'.

Fourth, expand it to remove the parentheses.

Fifth, subtract 'h - 8h' to get '-7h'. 

Sixth, add ' 7h' to both sides.

Seventh, leave the '7h' and combine '2h + 7h' to get '9h'.

Eighth, add '18' to both sides.

Ninth, add '36 + 18' to get '54'.

Tenth, divide both sides by '9'.

Eleventh, since 9 × 6 = 54, simplify the fraction to '6' and flip it around.


 h = 6

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.