3(h+9)=21+(8r-5)

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Solution for 3(h+9)=21+(8r-5) equation:


Simplifying
3(h + 9) = 21 + (8r + -5)

Reorder the terms:
3(9 + h) = 21 + (8r + -5)
(9 * 3 + h * 3) = 21 + (8r + -5)
(27 + 3h) = 21 + (8r + -5)

Reorder the terms:
27 + 3h = 21 + (-5 + 8r)

Remove parenthesis around (-5 + 8r)
27 + 3h = 21 + -5 + 8r

Combine like terms: 21 + -5 = 16
27 + 3h = 16 + 8r

Solving
27 + 3h = 16 + 8r

Solving for variable 'h'.

Move all terms containing h to the left, all other terms to the right.

Add '-27' to each side of the equation.
27 + -27 + 3h = 16 + -27 + 8r

Combine like terms: 27 + -27 = 0
0 + 3h = 16 + -27 + 8r
3h = 16 + -27 + 8r

Combine like terms: 16 + -27 = -11
3h = -11 + 8r

Divide each side by '3'.
h = -3.666666667 + 2.666666667r

Simplifying
h = -3.666666667 + 2.666666667r

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