r+9.4=6.4

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Solution for r+9.4=6.4 equation: 


Simplifying
r + 9.4 = 6.4

Reorder the terms:
9.4 + r = 6.4

Solving
9.4 + r = 6.4

Solving for variable 'r'.

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

Add '-9.4' to each side of the equation.
9.4 + -9.4 + r = 6.4 + -9.4

Combine like terms: 9.4 + -9.4 = 0.0
0.0 + r = 6.4 + -9.4
r = 6.4 + -9.4

Combine like terms: 6.4 + -9.4 = -3
r = -3

Simplifying
r = -3

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