3(r+2.6)-8r=9.5

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Solution for 3(r+2.6)-8r=9.5 equation: 


Simplifying
3(r + 2.6) + -8r = 9.5

Reorder the terms:
3(2.6 + r) + -8r = 9.5
(2.6 * 3 + r * 3) + -8r = 9.5
(7.8 + 3r) + -8r = 9.5

Combine like terms: 3r + -8r = -5r
7.8 + -5r = 9.5

Solving
7.8 + -5r = 9.5

Solving for variable 'r'.

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

Add '-7.8' to each side of the equation.
7.8 + -7.8 + -5r = 9.5 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + -5r = 9.5 + -7.8
-5r = 9.5 + -7.8

Combine like terms: 9.5 + -7.8 = 1.7
-5r = 1.7

Divide each side by '-5'.
r = -0.34

Simplifying
r = -0.34

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