3(7h-15)=9+18h

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Solution for 3(7h-15)=9+18h equation:


Simplifying
3(7h + -15) = 9 + 18h

Reorder the terms:
3(-15 + 7h) = 9 + 18h
(-15 * 3 + 7h * 3) = 9 + 18h
(-45 + 21h) = 9 + 18h

Solving
-45 + 21h = 9 + 18h

Solving for variable 'h'.

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

Add '-18h' to each side of the equation.
-45 + 21h + -18h = 9 + 18h + -18h

Combine like terms: 21h + -18h = 3h
-45 + 3h = 9 + 18h + -18h

Combine like terms: 18h + -18h = 0
-45 + 3h = 9 + 0
-45 + 3h = 9

Add '45' to each side of the equation.
-45 + 45 + 3h = 9 + 45

Combine like terms: -45 + 45 = 0
0 + 3h = 9 + 45
3h = 9 + 45

Combine like terms: 9 + 45 = 54
3h = 54

Divide each side by '3'.
h = 18

Simplifying
h = 18

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