42-h=4h+7

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Solution for 42-h=4h+7 equation:


Simplifying
42 + -1h = 4h + 7

Reorder the terms:
42 + -1h = 7 + 4h

Solving
42 + -1h = 7 + 4h

Solving for variable 'h'.

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

Add '-4h' to each side of the equation.
42 + -1h + -4h = 7 + 4h + -4h

Combine like terms: -1h + -4h = -5h
42 + -5h = 7 + 4h + -4h

Combine like terms: 4h + -4h = 0
42 + -5h = 7 + 0
42 + -5h = 7

Add '-42' to each side of the equation.
42 + -42 + -5h = 7 + -42

Combine like terms: 42 + -42 = 0
0 + -5h = 7 + -42
-5h = 7 + -42

Combine like terms: 7 + -42 = -35
-5h = -35

Divide each side by '-5'.
h = 7

Simplifying
h = 7

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