39(r+1.6)-8r=9.5

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Solution for 39(r+1.6)-8r=9.5 equation:


Simplifying
39(r + 1.6) + -8r = 9.5

Reorder the terms:
39(1.6 + r) + -8r = 9.5
(1.6 * 39 + r * 39) + -8r = 9.5
(62.4 + 39r) + -8r = 9.5

Combine like terms: 39r + -8r = 31r
62.4 + 31r = 9.5

Solving
62.4 + 31r = 9.5

Solving for variable 'r'.

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

Add '-62.4' to each side of the equation.
62.4 + -62.4 + 31r = 9.5 + -62.4

Combine like terms: 62.4 + -62.4 = 0.0
0.0 + 31r = 9.5 + -62.4
31r = 9.5 + -62.4

Combine like terms: 9.5 + -62.4 = -52.9
31r = -52.9

Divide each side by '31'.
r = -1.706451613

Simplifying
r = -1.706451613

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