3.2r-17.7=7.9

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Solution for 3.2r-17.7=7.9 equation:


Simplifying
3.2r + -17.7 = 7.9

Reorder the terms:
-17.7 + 3.2r = 7.9

Solving
-17.7 + 3.2r = 7.9

Solving for variable 'r'.

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

Add '17.7' to each side of the equation.
-17.7 + 17.7 + 3.2r = 7.9 + 17.7

Combine like terms: -17.7 + 17.7 = 0.0
0.0 + 3.2r = 7.9 + 17.7
3.2r = 7.9 + 17.7

Combine like terms: 7.9 + 17.7 = 25.6
3.2r = 25.6

Divide each side by '3.2'.
r = 8

Simplifying
r = 8

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