r-3.8=9.4

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Solution for r-3.8=9.4 equation: 


Simplifying
r + -3.8 = 9.4

Reorder the terms:
-3.8 + r = 9.4

Solving
-3.8 + r = 9.4

Solving for variable 'r'.

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

Add '3.8' to each side of the equation.
-3.8 + 3.8 + r = 9.4 + 3.8

Combine like terms: -3.8 + 3.8 = 0.0
0.0 + r = 9.4 + 3.8
r = 9.4 + 3.8

Combine like terms: 9.4 + 3.8 = 13.2
r = 13.2

Simplifying
r = 13.2

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