3.3+(9-r)=7.6

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Solution for 3.3+(9-r)=7.6 equation: 


Simplifying
3.3 + (9 + -1r) = 7.6

Remove parenthesis around (9 + -1r)
3.3 + 9 + -1r = 7.6

Combine like terms: 3.3 + 9 = 12.3
12.3 + -1r = 7.6

Solving
12.3 + -1r = 7.6

Solving for variable 'r'.

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

Add '-12.3' to each side of the equation.
12.3 + -12.3 + -1r = 7.6 + -12.3

Combine like terms: 12.3 + -12.3 = 0.0
0.0 + -1r = 7.6 + -12.3
-1r = 7.6 + -12.3

Combine like terms: 7.6 + -12.3 = -4.7
-1r = -4.7

Divide each side by '-1'.
r = 4.7

Simplifying
r = 4.7

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