8r+9=15

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Solution for 8r+9=15 equation: 


Simplifying
8r + 9 = 15

Reorder the terms:
9 + 8r = 15

Solving
9 + 8r = 15

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 8r = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 8r = 15 + -9
8r = 15 + -9

Combine like terms: 15 + -9 = 6
8r = 6

Divide each side by '8'.
r = 0.75

Simplifying
r = 0.75

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