13r-9-10=98

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Solution for 13r-9-10=98 equation:


Simplifying
13r + -9 + -10 = 98

Reorder the terms:
-9 + -10 + 13r = 98

Combine like terms: -9 + -10 = -19
-19 + 13r = 98

Solving
-19 + 13r = 98

Solving for variable 'r'.

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

Add '19' to each side of the equation.
-19 + 19 + 13r = 98 + 19

Combine like terms: -19 + 19 = 0
0 + 13r = 98 + 19
13r = 98 + 19

Combine like terms: 98 + 19 = 117
13r = 117

Divide each side by '13'.
r = 9

Simplifying
r = 9

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