-9.5+7.5(1+5.5r)=-17.5

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Solution for -9.5+7.5(1+5.5r)=-17.5 equation:


Simplifying
-9.5 + 7.5(1 + 5.5r) = -17.5
-9.5 + (1 * 7.5 + 5.5r * 7.5) = -17.5
-9.5 + (7.5 + 41.25r) = -17.5

Combine like terms: -9.5 + 7.5 = -2
-2 + 41.25r = -17.5

Solving
-2 + 41.25r = -17.5

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + 41.25r = -17.5 + 2

Combine like terms: -2 + 2 = 0
0 + 41.25r = -17.5 + 2
41.25r = -17.5 + 2

Combine like terms: -17.5 + 2 = -15.5
41.25r = -15.5

Divide each side by '41.25'.
r = -0.3757575758

Simplifying
r = -0.3757575758

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