2h-13=21-2h

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Solution for 2h-13=21-2h equation:


Simplifying
2h + -13 = 21 + -2h

Reorder the terms:
-13 + 2h = 21 + -2h

Solving
-13 + 2h = 21 + -2h

Solving for variable 'h'.

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

Add '2h' to each side of the equation.
-13 + 2h + 2h = 21 + -2h + 2h

Combine like terms: 2h + 2h = 4h
-13 + 4h = 21 + -2h + 2h

Combine like terms: -2h + 2h = 0
-13 + 4h = 21 + 0
-13 + 4h = 21

Add '13' to each side of the equation.
-13 + 13 + 4h = 21 + 13

Combine like terms: -13 + 13 = 0
0 + 4h = 21 + 13
4h = 21 + 13

Combine like terms: 21 + 13 = 34
4h = 34

Divide each side by '4'.
h = 8.5

Simplifying
h = 8.5

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