5(2H-21)=H+21

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Solution for 5(2H-21)=H+21 equation:


Simplifying
5(2H + -21) = H + 21

Reorder the terms:
5(-21 + 2H) = H + 21
(-21 * 5 + 2H * 5) = H + 21
(-105 + 10H) = H + 21

Reorder the terms:
-105 + 10H = 21 + H

Solving
-105 + 10H = 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.
-105 + 10H + -1H = 21 + H + -1H

Combine like terms: 10H + -1H = 9H
-105 + 9H = 21 + H + -1H

Combine like terms: H + -1H = 0
-105 + 9H = 21 + 0
-105 + 9H = 21

Add '105' to each side of the equation.
-105 + 105 + 9H = 21 + 105

Combine like terms: -105 + 105 = 0
0 + 9H = 21 + 105
9H = 21 + 105

Combine like terms: 21 + 105 = 126
9H = 126

Divide each side by '9'.
H = 14

Simplifying
H = 14

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