30*3+h*42+195=390

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Solution for 30*3+h*42+195=390 equation:


Simplifying
30 * 3 + h * 42 + 195 = 390

Multiply 30 * 3
90 + h * 42 + 195 = 390

Reorder the terms for easier multiplication:
90 + 42h + 195 = 390

Reorder the terms:
90 + 195 + 42h = 390

Combine like terms: 90 + 195 = 285
285 + 42h = 390

Solving
285 + 42h = 390

Solving for variable 'h'.

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

Add '-285' to each side of the equation.
285 + -285 + 42h = 390 + -285

Combine like terms: 285 + -285 = 0
0 + 42h = 390 + -285
42h = 390 + -285

Combine like terms: 390 + -285 = 105
42h = 105

Divide each side by '42'.
h = 2.5

Simplifying
h = 2.5

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