2h-3=-21+4h

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Solution for 2h-3=-21+4h equation:


Simplifying
2h + -3 = -21 + 4h

Reorder the terms:
-3 + 2h = -21 + 4h

Solving
-3 + 2h = -21 + 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.
-3 + 2h + -4h = -21 + 4h + -4h

Combine like terms: 2h + -4h = -2h
-3 + -2h = -21 + 4h + -4h

Combine like terms: 4h + -4h = 0
-3 + -2h = -21 + 0
-3 + -2h = -21

Add '3' to each side of the equation.
-3 + 3 + -2h = -21 + 3

Combine like terms: -3 + 3 = 0
0 + -2h = -21 + 3
-2h = -21 + 3

Combine like terms: -21 + 3 = -18
-2h = -18

Divide each side by '-2'.
h = 9

Simplifying
h = 9

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