3h-21=4h+8

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Solution for 3h-21=4h+8 equation:


Simplifying
3h + -21 = 4h + 8

Reorder the terms:
-21 + 3h = 4h + 8

Reorder the terms:
-21 + 3h = 8 + 4h

Solving
-21 + 3h = 8 + 4h

Solving for variable 'h'.

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

Add '-4h' to each side of the equation.
-21 + 3h + -4h = 8 + 4h + -4h

Combine like terms: 3h + -4h = -1h
-21 + -1h = 8 + 4h + -4h

Combine like terms: 4h + -4h = 0
-21 + -1h = 8 + 0
-21 + -1h = 8

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

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

Combine like terms: 8 + 21 = 29
-1h = 29

Divide each side by '-1'.
h = -29

Simplifying
h = -29

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