10r+15=105

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Solution for 10r+15=105 equation: 


Simplifying
10r + 15 = 105

Reorder the terms:
15 + 10r = 105

Solving
15 + 10r = 105

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 = 105 + -15

Combine like terms: 15 + -15 = 0
0 + 10r = 105 + -15
10r = 105 + -15

Combine like terms: 105 + -15 = 90
10r = 90

Divide each side by '10'.
r = 9

Simplifying
r = 9

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