-3x-2.5=12.5

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Solution for -3x-2.5=12.5 equation: 


Simplifying
-3x + -2.5 = 12.5

Reorder the terms:
-2.5 + -3x = 12.5

Solving
-2.5 + -3x = 12.5

Solving for variable 'x'.

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

Add '2.5' to each side of the equation.
-2.5 + 2.5 + -3x = 12.5 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + -3x = 12.5 + 2.5
-3x = 12.5 + 2.5

Combine like terms: 12.5 + 2.5 = 15
-3x = 15

Divide each side by '-3'.
x = -5

Simplifying
x = -5

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