3h-7-6h=21

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Solution for 3h-7-6h=21 equation:


Simplifying
3h + -7 + -6h = 21

Reorder the terms:
-7 + 3h + -6h = 21

Combine like terms: 3h + -6h = -3h
-7 + -3h = 21

Solving
-7 + -3h = 21

Solving for variable 'h'.

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

Add '7' to each side of the equation.
-7 + 7 + -3h = 21 + 7

Combine like terms: -7 + 7 = 0
0 + -3h = 21 + 7
-3h = 21 + 7

Combine like terms: 21 + 7 = 28
-3h = 28

Divide each side by '-3'.
h = -9.333333333

Simplifying
h = -9.333333333

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