r+6.9=0.8

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Solution for r+6.9=0.8 equation: 


Simplifying
r + 6.9 = 0.8

Reorder the terms:
6.9 + r = 0.8

Solving
6.9 + r = 0.8

Solving for variable 'r'.

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

Add '-6.9' to each side of the equation.
6.9 + -6.9 + r = 0.8 + -6.9

Combine like terms: 6.9 + -6.9 = 0.0
0.0 + r = 0.8 + -6.9
r = 0.8 + -6.9

Combine like terms: 0.8 + -6.9 = -6.1
r = -6.1

Simplifying
r = -6.1

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