-3x-215=-12+55

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Solution for -3x-215=-12+55 equation:


Simplifying
-3x + -215 = -12 + 55

Reorder the terms:
-215 + -3x = -12 + 55

Combine like terms: -12 + 55 = 43
-215 + -3x = 43

Solving
-215 + -3x = 43

Solving for variable 'x'.

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

Add '215' to each side of the equation.
-215 + 215 + -3x = 43 + 215

Combine like terms: -215 + 215 = 0
0 + -3x = 43 + 215
-3x = 43 + 215

Combine like terms: 43 + 215 = 258
-3x = 258

Divide each side by '-3'.
x = -86

Simplifying
x = -86

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