-3x-7.5=28.5

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Solution for -3x-7.5=28.5 equation: 


Simplifying
-3x + -7.5 = 28.5

Reorder the terms:
-7.5 + -3x = 28.5

Solving
-7.5 + -3x = 28.5

Solving for variable 'x'.

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

Add '7.5' to each side of the equation.
-7.5 + 7.5 + -3x = 28.5 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + -3x = 28.5 + 7.5
-3x = 28.5 + 7.5

Combine like terms: 28.5 + 7.5 = 36
-3x = 36

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

Simplifying
x = -12

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