3x=87-123

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Solution for 3x=87-123 equation: 


Simplifying
3x = 87 + -123

Combine like terms: 87 + -123 = -36
3x = -36

Solving
3x = -36

Solving for variable 'x'.

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

Divide each side by '3'.
x = -12

Simplifying
x = -12

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