r+7.7=0.3

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Solution for r+7.7=0.3 equation: 


Simplifying
r + 7.7 = 0.3

Reorder the terms:
7.7 + r = 0.3

Solving
7.7 + r = 0.3

Solving for variable 'r'.

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

Add '-7.7' to each side of the equation.
7.7 + -7.7 + r = 0.3 + -7.7

Combine like terms: 7.7 + -7.7 = 0.0
0.0 + r = 0.3 + -7.7
r = 0.3 + -7.7

Combine like terms: 0.3 + -7.7 = -7.4
r = -7.4

Simplifying
r = -7.4

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