2(h-3)=21

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Solution for 2(h-3)=21 equation:


Simplifying
2(h + -3) = 21

Reorder the terms:
2(-3 + h) = 21
(-3 * 2 + h * 2) = 21
(-6 + 2h) = 21

Solving
-6 + 2h = 21

Solving for variable 'h'.

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

Add '6' to each side of the equation.
-6 + 6 + 2h = 21 + 6

Combine like terms: -6 + 6 = 0
0 + 2h = 21 + 6
2h = 21 + 6

Combine like terms: 21 + 6 = 27
2h = 27

Divide each side by '2'.
h = 13.5

Simplifying
h = 13.5

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