3(r+1.6)-8r=8.5

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Solution for 3(r+1.6)-8r=8.5 equation: 


Simplifying
3(r + 1.6) + -8r = 8.5

Reorder the terms:
3(1.6 + r) + -8r = 8.5
(1.6 * 3 + r * 3) + -8r = 8.5
(4.8 + 3r) + -8r = 8.5

Combine like terms: 3r + -8r = -5r
4.8 + -5r = 8.5

Solving
4.8 + -5r = 8.5

Solving for variable 'r'.

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

Add '-4.8' to each side of the equation.
4.8 + -4.8 + -5r = 8.5 + -4.8

Combine like terms: 4.8 + -4.8 = 0.0
0.0 + -5r = 8.5 + -4.8
-5r = 8.5 + -4.8

Combine like terms: 8.5 + -4.8 = 3.7
-5r = 3.7

Divide each side by '-5'.
r = -0.74

Simplifying
r = -0.74

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