8r+9=5.7r-6

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Solution for 8r+9=5.7r-6 equation:


Simplifying
8r + 9 = 5.7r + -6

Reorder the terms:
9 + 8r = 5.7r + -6

Reorder the terms:
9 + 8r = -6 + 5.7r

Solving
9 + 8r = -6 + 5.7r

Solving for variable 'r'.

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

Add '-5.7r' to each side of the equation.
9 + 8r + -5.7r = -6 + 5.7r + -5.7r

Combine like terms: 8r + -5.7r = 2.3r
9 + 2.3r = -6 + 5.7r + -5.7r

Combine like terms: 5.7r + -5.7r = 0.0
9 + 2.3r = -6 + 0.0
9 + 2.3r = -6

Add '-9' to each side of the equation.
9 + -9 + 2.3r = -6 + -9

Combine like terms: 9 + -9 = 0
0 + 2.3r = -6 + -9
2.3r = -6 + -9

Combine like terms: -6 + -9 = -15
2.3r = -15

Divide each side by '2.3'.
r = -6.52173913

Simplifying
r = -6.52173913

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