11r+21=98

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Solution for 11r+21=98 equation: 


Simplifying
11r + 21 = 98

Reorder the terms:
21 + 11r = 98

Solving
21 + 11r = 98

Solving for variable 'r'.

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

Add '-21' to each side of the equation.
21 + -21 + 11r = 98 + -21

Combine like terms: 21 + -21 = 0
0 + 11r = 98 + -21
11r = 98 + -21

Combine like terms: 98 + -21 = 77
11r = 77

Divide each side by '11'.
r = 7

Simplifying
r = 7

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