84=7-7h

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Solution for 84=7-7h equation:


Simplifying
84 = 7 + -7h

Solving
84 = 7 + -7h

Solving for variable 'h'.

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

Add '7h' to each side of the equation.
84 + 7h = 7 + -7h + 7h

Combine like terms: -7h + 7h = 0
84 + 7h = 7 + 0
84 + 7h = 7

Add '-84' to each side of the equation.
84 + -84 + 7h = 7 + -84

Combine like terms: 84 + -84 = 0
0 + 7h = 7 + -84
7h = 7 + -84

Combine like terms: 7 + -84 = -77
7h = -77

Divide each side by '7'.
h = -11

Simplifying
h = -11

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