-2(5h-7)=21+9h

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Solution for -2(5h-7)=21+9h equation:


Simplifying
-2(5h + -7) = 21 + 9h

Reorder the terms:
-2(-7 + 5h) = 21 + 9h
(-7 * -2 + 5h * -2) = 21 + 9h
(14 + -10h) = 21 + 9h

Solving
14 + -10h = 21 + 9h

Solving for variable 'h'.

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

Add '-9h' to each side of the equation.
14 + -10h + -9h = 21 + 9h + -9h

Combine like terms: -10h + -9h = -19h
14 + -19h = 21 + 9h + -9h

Combine like terms: 9h + -9h = 0
14 + -19h = 21 + 0
14 + -19h = 21

Add '-14' to each side of the equation.
14 + -14 + -19h = 21 + -14

Combine like terms: 14 + -14 = 0
0 + -19h = 21 + -14
-19h = 21 + -14

Combine like terms: 21 + -14 = 7
-19h = 7

Divide each side by '-19'.
h = -0.3684210526

Simplifying
h = -0.3684210526

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