9x+3x-197=58

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Solution for 9x+3x-197=58 equation:


Simplifying
9x + 3x + -197 = 58

Reorder the terms:
-197 + 9x + 3x = 58

Combine like terms: 9x + 3x = 12x
-197 + 12x = 58

Solving
-197 + 12x = 58

Solving for variable 'x'.

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

Add '197' to each side of the equation.
-197 + 197 + 12x = 58 + 197

Combine like terms: -197 + 197 = 0
0 + 12x = 58 + 197
12x = 58 + 197

Combine like terms: 58 + 197 = 255
12x = 255

Divide each side by '12'.
x = 21.25

Simplifying
x = 21.25

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