5r+3+8r+5-6r=8.91

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Solution for 5r+3+8r+5-6r=8.91 equation:


Simplifying
5r + 3 + 8r + 5 + -6r = 8.91

Reorder the terms:
3 + 5 + 5r + 8r + -6r = 8.91

Combine like terms: 3 + 5 = 8
8 + 5r + 8r + -6r = 8.91

Combine like terms: 5r + 8r = 13r
8 + 13r + -6r = 8.91

Combine like terms: 13r + -6r = 7r
8 + 7r = 8.91

Solving
8 + 7r = 8.91

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 7r = 8.91 + -8

Combine like terms: 8 + -8 = 0
0 + 7r = 8.91 + -8
7r = 8.91 + -8

Combine like terms: 8.91 + -8 = 0.91
7r = 0.91

Divide each side by '7'.
r = 0.13

Simplifying
r = 0.13

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