19.5=-8+3(r+5.5)

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Solution for 19.5=-8+3(r+5.5) equation: 


Simplifying
19.5 = -8 + 3(r + 5.5)

Reorder the terms:
19.5 = -8 + 3(5.5 + r)
19.5 = -8 + (5.5 * 3 + r * 3)
19.5 = -8 + (16.5 + 3r)

Combine like terms: -8 + 16.5 = 8.5
19.5 = 8.5 + 3r

Solving
19.5 = 8.5 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
19.5 + -3r = 8.5 + 3r + -3r

Combine like terms: 3r + -3r = 0
19.5 + -3r = 8.5 + 0
19.5 + -3r = 8.5

Add '-19.5' to each side of the equation.
19.5 + -19.5 + -3r = 8.5 + -19.5

Combine like terms: 19.5 + -19.5 = 0.0
0.0 + -3r = 8.5 + -19.5
-3r = 8.5 + -19.5

Combine like terms: 8.5 + -19.5 = -11
-3r = -11

Divide each side by '-3'.
r = 3.666666667

Simplifying
r = 3.666666667

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