10r-15=9

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Solution for 10r-15=9 equation:


Simplifying
10r + -15 = 9

Reorder the terms:
-15 + 10r = 9

Solving
-15 + 10r = 9

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 15 + 10r = 9 + 15

Combine like terms: -15 + 15 = 0
0 + 10r = 9 + 15
10r = 9 + 15

Combine like terms: 9 + 15 = 24
10r = 24

Divide each side by '10'.
r = 2.4

Simplifying
r = 2.4

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