8=h+21

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Solution for 8=h+21 equation:


Simplifying
8 = h + 21

Reorder the terms:
8 = 21 + h

Solving
8 = 21 + h

Solving for variable 'h'.

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

Add '-1h' to each side of the equation.
8 + -1h = 21 + h + -1h

Combine like terms: h + -1h = 0
8 + -1h = 21 + 0
8 + -1h = 21

Add '-8' to each side of the equation.
8 + -8 + -1h = 21 + -8

Combine like terms: 8 + -8 = 0
0 + -1h = 21 + -8
-1h = 21 + -8

Combine like terms: 21 + -8 = 13
-1h = 13

Divide each side by '-1'.
h = -13

Simplifying
h = -13

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