3(2h-20)-18=20-h

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Solution for 3(2h-20)-18=20-h equation:


Simplifying
3(2h + -20) + -18 = 20 + -1h

Reorder the terms:
3(-20 + 2h) + -18 = 20 + -1h
(-20 * 3 + 2h * 3) + -18 = 20 + -1h
(-60 + 6h) + -18 = 20 + -1h

Reorder the terms:
-60 + -18 + 6h = 20 + -1h

Combine like terms: -60 + -18 = -78
-78 + 6h = 20 + -1h

Solving
-78 + 6h = 20 + -1h

Solving for variable 'h'.

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

Add 'h' to each side of the equation.
-78 + 6h + h = 20 + -1h + h

Combine like terms: 6h + h = 7h
-78 + 7h = 20 + -1h + h

Combine like terms: -1h + h = 0
-78 + 7h = 20 + 0
-78 + 7h = 20

Add '78' to each side of the equation.
-78 + 78 + 7h = 20 + 78

Combine like terms: -78 + 78 = 0
0 + 7h = 20 + 78
7h = 20 + 78

Combine like terms: 20 + 78 = 98
7h = 98

Divide each side by '7'.
h = 14

Simplifying
h = 14

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