r-2.4=-9.3

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Solution for r-2.4=-9.3 equation: 


Simplifying
r + -2.4 = -9.3

Reorder the terms:
-2.4 + r = -9.3

Solving
-2.4 + r = -9.3

Solving for variable 'r'.

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

Add '2.4' to each side of the equation.
-2.4 + 2.4 + r = -9.3 + 2.4

Combine like terms: -2.4 + 2.4 = 0.0
0.0 + r = -9.3 + 2.4
r = -9.3 + 2.4

Combine like terms: -9.3 + 2.4 = -6.9
r = -6.9

Simplifying
r = -6.9

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